./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:05:48,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:05:48,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:05:48,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:05:48,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:05:48,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:05:48,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:05:48,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:05:48,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:05:48,666 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:05:48,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:05:48,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:05:48,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:05:48,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:05:48,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:05:48,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:05:48,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:05:48,670 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:48,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:48,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:48,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:05:48,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:05:48,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:05:48,673 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 [2024-11-23 23:05:49,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:05:49,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:05:49,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:05:49,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:05:49,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:05:49,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:05:52,273 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/61bc9a548/270dffd1fd0642888baad068cb3e04b1/FLAGc460721d4 [2024-11-23 23:05:52,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:05:52,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:05:52,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/61bc9a548/270dffd1fd0642888baad068cb3e04b1/FLAGc460721d4 [2024-11-23 23:05:52,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/61bc9a548/270dffd1fd0642888baad068cb3e04b1 [2024-11-23 23:05:52,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:05:52,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:05:52,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:52,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:05:52,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:05:52,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:52" (1/1) ... [2024-11-23 23:05:52,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379a6417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:52, skipping insertion in model container [2024-11-23 23:05:52,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:52" (1/1) ... [2024-11-23 23:05:52,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:05:53,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-23 23:05:53,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:53,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:05:53,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-23 23:05:53,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:53,225 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:05:53,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53 WrapperNode [2024-11-23 23:05:53,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:53,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:53,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:05:53,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:05:53,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,288 INFO L138 Inliner]: procedures = 30, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-11-23 23:05:53,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:53,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:05:53,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:05:53,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:05:53,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,313 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 23:05:53,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,341 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:05:53,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:05:53,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:05:53,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:05:53,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (1/1) ... [2024-11-23 23:05:53,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:53,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:53,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:05:53,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:05:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:05:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:05:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:05:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:05:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:05:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:05:53,576 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:05:53,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:05:54,424 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-23 23:05:54,425 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:05:54,441 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:05:54,442 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:05:54,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:54 BoogieIcfgContainer [2024-11-23 23:05:54,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:05:54,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:05:54,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:05:54,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:05:54,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:05:52" (1/3) ... [2024-11-23 23:05:54,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515de979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:54, skipping insertion in model container [2024-11-23 23:05:54,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:53" (2/3) ... [2024-11-23 23:05:54,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515de979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:54, skipping insertion in model container [2024-11-23 23:05:54,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:54" (3/3) ... [2024-11-23 23:05:54,456 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:05:54,473 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:05:54,475 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-33.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:05:54,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:05:54,552 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1523dc84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:05:54,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:05:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:54,567 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:54,567 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:54,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:54,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash 507444683, now seen corresponding path program 1 times [2024-11-23 23:05:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:54,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408855619] [2024-11-23 23:05:54,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:54,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:05:55,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:55,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408855619] [2024-11-23 23:05:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408855619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:55,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096779592] [2024-11-23 23:05:55,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:05:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:55,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:05:55,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:05:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:55,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:05:55,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-23 23:05:55,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:55,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096779592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:55,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:55,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:05:55,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080987506] [2024-11-23 23:05:55,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:55,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:05:55,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:55,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:05:55,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:05:55,639 INFO L87 Difference]: Start difference. First operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:05:55,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:55,679 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-11-23 23:05:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:05:55,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-23 23:05:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:55,691 INFO L225 Difference]: With dead ends: 207 [2024-11-23 23:05:55,691 INFO L226 Difference]: Without dead ends: 103 [2024-11-23 23:05:55,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:05:55,699 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:55,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:55,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-23 23:05:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-23 23:05:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-11-23 23:05:55,746 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-11-23 23:05:55,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:55,746 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-11-23 23:05:55,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:05:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-11-23 23:05:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:55,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:55,754 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:55,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:05:55,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:05:55,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:55,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:55,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1582582707, now seen corresponding path program 1 times [2024-11-23 23:05:55,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:55,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608270164] [2024-11-23 23:05:55,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:55,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:56,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:56,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608270164] [2024-11-23 23:05:56,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608270164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:56,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:56,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:05:56,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961825404] [2024-11-23 23:05:56,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:56,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:05:56,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:56,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:05:56,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:56,483 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:56,531 INFO L93 Difference]: Finished difference Result 206 states and 303 transitions. [2024-11-23 23:05:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:05:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-23 23:05:56,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:56,534 INFO L225 Difference]: With dead ends: 206 [2024-11-23 23:05:56,534 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:05:56,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:56,535 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:56,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:56,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:05:56,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-23 23:05:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 94 states have internal predecessors, (135), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-11-23 23:05:56,547 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-11-23 23:05:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:56,548 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-11-23 23:05:56,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-11-23 23:05:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:56,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:56,551 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:56,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:05:56,552 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 192424655, now seen corresponding path program 1 times [2024-11-23 23:05:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396493300] [2024-11-23 23:05:56,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:56,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:56,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396493300] [2024-11-23 23:05:56,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396493300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:56,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:56,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:05:56,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865481464] [2024-11-23 23:05:56,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:56,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:05:56,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:56,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:05:56,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:56,869 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:56,908 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-11-23 23:05:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:05:56,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-23 23:05:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:56,911 INFO L225 Difference]: With dead ends: 210 [2024-11-23 23:05:56,911 INFO L226 Difference]: Without dead ends: 108 [2024-11-23 23:05:56,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:56,912 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:56,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:56,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-23 23:05:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-23 23:05:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-23 23:05:56,924 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-11-23 23:05:56,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:56,925 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-23 23:05:56,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-23 23:05:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:56,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:56,927 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:56,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:05:56,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:56,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash 194271697, now seen corresponding path program 1 times [2024-11-23 23:05:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106653748] [2024-11-23 23:05:56,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:57,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106653748] [2024-11-23 23:05:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106653748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:57,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:05:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329443243] [2024-11-23 23:05:57,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:57,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:05:57,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:57,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:05:57,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:05:57,433 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:57,715 INFO L93 Difference]: Finished difference Result 268 states and 389 transitions. [2024-11-23 23:05:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:05:57,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-23 23:05:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:57,718 INFO L225 Difference]: With dead ends: 268 [2024-11-23 23:05:57,721 INFO L226 Difference]: Without dead ends: 164 [2024-11-23 23:05:57,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:05:57,723 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:57,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 512 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:05:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-23 23:05:57,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 124. [2024-11-23 23:05:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2024-11-23 23:05:57,741 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 98 [2024-11-23 23:05:57,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:57,742 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2024-11-23 23:05:57,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:05:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2024-11-23 23:05:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:57,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:57,748 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:57,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:05:57,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:57,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1085591981, now seen corresponding path program 1 times [2024-11-23 23:05:57,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:57,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775013193] [2024-11-23 23:05:57,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:57,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:59,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:59,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775013193] [2024-11-23 23:05:59,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775013193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:59,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:59,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:05:59,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539898411] [2024-11-23 23:05:59,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:59,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:05:59,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:59,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:05:59,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:05:59,051 INFO L87 Difference]: Start difference. First operand 124 states and 181 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:05:59,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:59,834 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2024-11-23 23:05:59,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:05:59,835 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-23 23:05:59,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:59,836 INFO L225 Difference]: With dead ends: 287 [2024-11-23 23:05:59,836 INFO L226 Difference]: Without dead ends: 166 [2024-11-23 23:05:59,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:05:59,838 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 398 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:59,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 540 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:05:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-23 23:05:59,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 126. [2024-11-23 23:05:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 115 states have (on average 1.434782608695652) internal successors, (165), 115 states have internal predecessors, (165), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:05:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 183 transitions. [2024-11-23 23:05:59,872 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 183 transitions. Word has length 98 [2024-11-23 23:05:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:59,872 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 183 transitions. [2024-11-23 23:05:59,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:05:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2024-11-23 23:05:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:05:59,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:59,878 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:59,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:05:59,878 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:59,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:59,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1611166637, now seen corresponding path program 1 times [2024-11-23 23:05:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:59,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440697679] [2024-11-23 23:05:59,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:01,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440697679] [2024-11-23 23:06:01,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440697679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:01,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:01,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:06:01,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877041776] [2024-11-23 23:06:01,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:01,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:06:01,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:01,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:06:01,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:06:01,256 INFO L87 Difference]: Start difference. First operand 126 states and 183 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:01,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:01,971 INFO L93 Difference]: Finished difference Result 298 states and 432 transitions. [2024-11-23 23:06:01,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:01,972 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-23 23:06:01,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:01,974 INFO L225 Difference]: With dead ends: 298 [2024-11-23 23:06:01,974 INFO L226 Difference]: Without dead ends: 175 [2024-11-23 23:06:01,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:06:01,975 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 348 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:01,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 418 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:06:01,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-23 23:06:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 132. [2024-11-23 23:06:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 121 states have (on average 1.43801652892562) internal successors, (174), 121 states have internal predecessors, (174), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:06:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-11-23 23:06:01,990 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 98 [2024-11-23 23:06:01,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:01,991 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-11-23 23:06:01,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-11-23 23:06:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:06:01,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:01,993 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:01,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:06:01,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:01,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:01,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1403936981, now seen corresponding path program 1 times [2024-11-23 23:06:01,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:01,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465472390] [2024-11-23 23:06:01,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:01,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:06:03,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:03,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465472390] [2024-11-23 23:06:03,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465472390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:03,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351780410] [2024-11-23 23:06:03,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:03,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:03,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:03,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:03,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:06:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:03,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-23 23:06:03,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:03,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-23 23:06:04,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-23 23:06:04,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-23 23:06:04,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-23 23:06:05,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-23 23:06:05,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-23 23:06:05,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:06:05,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-11-23 23:06:05,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:06:05,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2024-11-23 23:06:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 23:06:05,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:06:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351780410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:05,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:06:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-11-23 23:06:05,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568857529] [2024-11-23 23:06:05,860 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:06:05,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 23:06:05,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:05,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 23:06:05,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:06:05,862 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. Second operand has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 23:06:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:07,349 INFO L93 Difference]: Finished difference Result 400 states and 579 transitions. [2024-11-23 23:06:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:06:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) Word has length 98 [2024-11-23 23:06:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:07,353 INFO L225 Difference]: With dead ends: 400 [2024-11-23 23:06:07,353 INFO L226 Difference]: Without dead ends: 271 [2024-11-23 23:06:07,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=787, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:06:07,356 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 240 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:07,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1259 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:06:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-23 23:06:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 177. [2024-11-23 23:06:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 155 states have (on average 1.4) internal successors, (217), 155 states have internal predecessors, (217), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:06:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 253 transitions. [2024-11-23 23:06:07,394 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 253 transitions. Word has length 98 [2024-11-23 23:06:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:07,395 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 253 transitions. [2024-11-23 23:06:07,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 23:06:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2024-11-23 23:06:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:06:07,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:07,399 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:07,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:06:07,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:07,601 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:07,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:07,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1504826921, now seen corresponding path program 1 times [2024-11-23 23:06:07,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:07,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935959755] [2024-11-23 23:06:07,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:10,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:10,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935959755] [2024-11-23 23:06:10,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935959755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:10,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:10,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:06:10,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534062801] [2024-11-23 23:06:10,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:10,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:06:10,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:10,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:06:10,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:06:10,444 INFO L87 Difference]: Start difference. First operand 177 states and 253 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:11,119 INFO L93 Difference]: Finished difference Result 475 states and 684 transitions. [2024-11-23 23:06:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:06:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-23 23:06:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:11,125 INFO L225 Difference]: With dead ends: 475 [2024-11-23 23:06:11,125 INFO L226 Difference]: Without dead ends: 346 [2024-11-23 23:06:11,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:11,130 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 435 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:11,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 541 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:06:11,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-23 23:06:11,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 300. [2024-11-23 23:06:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 268 states have (on average 1.414179104477612) internal successors, (379), 268 states have internal predecessors, (379), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 433 transitions. [2024-11-23 23:06:11,189 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 433 transitions. Word has length 98 [2024-11-23 23:06:11,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:11,190 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 433 transitions. [2024-11-23 23:06:11,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 433 transitions. [2024-11-23 23:06:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:06:11,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:11,191 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:11,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:06:11,192 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:11,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:11,192 INFO L85 PathProgramCache]: Analyzing trace with hash 181503640, now seen corresponding path program 1 times [2024-11-23 23:06:11,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:11,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625499969] [2024-11-23 23:06:11,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:11,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:11,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:11,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625499969] [2024-11-23 23:06:11,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625499969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:11,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:11,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:06:11,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034792759] [2024-11-23 23:06:11,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:11,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:06:11,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:11,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:06:11,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:11,508 INFO L87 Difference]: Start difference. First operand 300 states and 433 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:12,026 INFO L93 Difference]: Finished difference Result 656 states and 947 transitions. [2024-11-23 23:06:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-23 23:06:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:12,029 INFO L225 Difference]: With dead ends: 656 [2024-11-23 23:06:12,030 INFO L226 Difference]: Without dead ends: 404 [2024-11-23 23:06:12,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:12,032 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 205 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:12,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 611 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-23 23:06:12,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 324. [2024-11-23 23:06:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 292 states have (on average 1.4143835616438356) internal successors, (413), 292 states have internal predecessors, (413), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 467 transitions. [2024-11-23 23:06:12,086 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 467 transitions. Word has length 99 [2024-11-23 23:06:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:12,086 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 467 transitions. [2024-11-23 23:06:12,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 467 transitions. [2024-11-23 23:06:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:06:12,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:12,088 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:12,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:06:12,088 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1392968729, now seen corresponding path program 1 times [2024-11-23 23:06:12,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:12,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39191061] [2024-11-23 23:06:12,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:12,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:12,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39191061] [2024-11-23 23:06:12,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39191061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:12,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:12,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:06:12,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260663282] [2024-11-23 23:06:12,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:12,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:06:12,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:12,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:06:12,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:12,368 INFO L87 Difference]: Start difference. First operand 324 states and 467 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:12,806 INFO L93 Difference]: Finished difference Result 683 states and 983 transitions. [2024-11-23 23:06:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:06:12,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-23 23:06:12,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:12,809 INFO L225 Difference]: With dead ends: 683 [2024-11-23 23:06:12,809 INFO L226 Difference]: Without dead ends: 407 [2024-11-23 23:06:12,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:06:12,810 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 193 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:12,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 645 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:06:12,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-23 23:06:12,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 324. [2024-11-23 23:06:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 292 states have (on average 1.4006849315068493) internal successors, (409), 292 states have internal predecessors, (409), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 463 transitions. [2024-11-23 23:06:12,853 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 463 transitions. Word has length 99 [2024-11-23 23:06:12,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:12,854 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 463 transitions. [2024-11-23 23:06:12,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 463 transitions. [2024-11-23 23:06:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 23:06:12,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:12,855 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:12,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:06:12,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:12,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:12,857 INFO L85 PathProgramCache]: Analyzing trace with hash -814969296, now seen corresponding path program 1 times [2024-11-23 23:06:12,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:12,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087768426] [2024-11-23 23:06:12,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:12,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:12,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:12,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087768426] [2024-11-23 23:06:12,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087768426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:12,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:12,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:12,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268256891] [2024-11-23 23:06:12,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:12,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:12,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:12,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:12,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:12,986 INFO L87 Difference]: Start difference. First operand 324 states and 463 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:13,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:13,021 INFO L93 Difference]: Finished difference Result 471 states and 679 transitions. [2024-11-23 23:06:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:13,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-23 23:06:13,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:13,026 INFO L225 Difference]: With dead ends: 471 [2024-11-23 23:06:13,027 INFO L226 Difference]: Without dead ends: 330 [2024-11-23 23:06:13,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:13,028 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:13,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:13,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-23 23:06:13,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-23 23:06:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 298 states have (on average 1.3926174496644295) internal successors, (415), 298 states have internal predecessors, (415), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 469 transitions. [2024-11-23 23:06:13,073 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 469 transitions. Word has length 100 [2024-11-23 23:06:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:13,073 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 469 transitions. [2024-11-23 23:06:13,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 469 transitions. [2024-11-23 23:06:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 23:06:13,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:13,075 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:13,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:06:13,075 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1261794002, now seen corresponding path program 1 times [2024-11-23 23:06:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:13,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075409682] [2024-11-23 23:06:13,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:14,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:14,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075409682] [2024-11-23 23:06:14,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075409682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:14,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:14,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:06:14,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074020440] [2024-11-23 23:06:14,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:14,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:06:14,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:14,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:06:14,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:14,756 INFO L87 Difference]: Start difference. First operand 330 states and 469 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:06:15,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:15,480 INFO L93 Difference]: Finished difference Result 712 states and 1016 transitions. [2024-11-23 23:06:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:15,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-11-23 23:06:15,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:15,484 INFO L225 Difference]: With dead ends: 712 [2024-11-23 23:06:15,485 INFO L226 Difference]: Without dead ends: 430 [2024-11-23 23:06:15,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:15,489 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 568 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:15,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 534 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:15,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-23 23:06:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 394. [2024-11-23 23:06:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 362 states have (on average 1.3977900552486189) internal successors, (506), 362 states have internal predecessors, (506), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 560 transitions. [2024-11-23 23:06:15,542 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 560 transitions. Word has length 100 [2024-11-23 23:06:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:15,542 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 560 transitions. [2024-11-23 23:06:15,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:06:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 560 transitions. [2024-11-23 23:06:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 23:06:15,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:15,548 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:15,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:06:15,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:15,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash 250676752, now seen corresponding path program 1 times [2024-11-23 23:06:15,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911782523] [2024-11-23 23:06:15,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:15,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:06:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911782523] [2024-11-23 23:06:15,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911782523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842538202] [2024-11-23 23:06:15,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:15,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:15,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:15,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:15,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:06:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:16,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:06:16,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:16,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:16,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842538202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:16,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:16,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:06:16,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946003004] [2024-11-23 23:06:16,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:16,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:16,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:16,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:16,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:16,146 INFO L87 Difference]: Start difference. First operand 394 states and 560 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:16,220 INFO L93 Difference]: Finished difference Result 745 states and 1063 transitions. [2024-11-23 23:06:16,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:16,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-23 23:06:16,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:16,223 INFO L225 Difference]: With dead ends: 745 [2024-11-23 23:06:16,223 INFO L226 Difference]: Without dead ends: 399 [2024-11-23 23:06:16,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:16,225 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:16,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:16,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-23 23:06:16,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-23 23:06:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 367 states have (on average 1.3923705722070845) internal successors, (511), 367 states have internal predecessors, (511), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 565 transitions. [2024-11-23 23:06:16,270 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 565 transitions. Word has length 100 [2024-11-23 23:06:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:16,271 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 565 transitions. [2024-11-23 23:06:16,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 565 transitions. [2024-11-23 23:06:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 23:06:16,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:16,275 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:16,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:06:16,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 23:06:16,476 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:16,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:16,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1461008104, now seen corresponding path program 1 times [2024-11-23 23:06:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584837495] [2024-11-23 23:06:16,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:18,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:18,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584837495] [2024-11-23 23:06:18,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584837495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:18,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:18,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:06:18,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024150223] [2024-11-23 23:06:18,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:18,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:06:18,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:18,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:06:18,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:06:18,023 INFO L87 Difference]: Start difference. First operand 399 states and 565 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:18,329 INFO L93 Difference]: Finished difference Result 764 states and 1086 transitions. [2024-11-23 23:06:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:06:18,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-11-23 23:06:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:18,332 INFO L225 Difference]: With dead ends: 764 [2024-11-23 23:06:18,332 INFO L226 Difference]: Without dead ends: 413 [2024-11-23 23:06:18,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:18,334 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 69 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:18,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 454 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:06:18,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-23 23:06:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 405. [2024-11-23 23:06:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 373 states have (on average 1.3941018766756033) internal successors, (520), 373 states have internal predecessors, (520), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 574 transitions. [2024-11-23 23:06:18,377 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 574 transitions. Word has length 100 [2024-11-23 23:06:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:18,378 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 574 transitions. [2024-11-23 23:06:18,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 574 transitions. [2024-11-23 23:06:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-23 23:06:18,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:18,380 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:18,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:06:18,380 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:18,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1245183907, now seen corresponding path program 1 times [2024-11-23 23:06:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593341728] [2024-11-23 23:06:18,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:18,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:18,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593341728] [2024-11-23 23:06:18,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593341728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:18,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:18,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:06:18,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120019033] [2024-11-23 23:06:18,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:18,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:06:18,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:18,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:06:18,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:18,661 INFO L87 Difference]: Start difference. First operand 405 states and 574 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:19,257 INFO L93 Difference]: Finished difference Result 833 states and 1173 transitions. [2024-11-23 23:06:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:19,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-23 23:06:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:19,261 INFO L225 Difference]: With dead ends: 833 [2024-11-23 23:06:19,261 INFO L226 Difference]: Without dead ends: 482 [2024-11-23 23:06:19,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:19,264 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 211 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:19,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 547 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-23 23:06:19,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 396. [2024-11-23 23:06:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 364 states have (on average 1.379120879120879) internal successors, (502), 364 states have internal predecessors, (502), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2024-11-23 23:06:19,308 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 101 [2024-11-23 23:06:19,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:19,309 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2024-11-23 23:06:19,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2024-11-23 23:06:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-23 23:06:19,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:19,310 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:19,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:06:19,311 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:19,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:19,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1623301555, now seen corresponding path program 1 times [2024-11-23 23:06:19,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:19,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288191352] [2024-11-23 23:06:19,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:19,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:19,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288191352] [2024-11-23 23:06:19,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288191352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:19,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:19,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 23:06:19,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591947498] [2024-11-23 23:06:19,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:19,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:06:19,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:19,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:06:19,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:06:19,798 INFO L87 Difference]: Start difference. First operand 396 states and 556 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:21,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:21,130 INFO L93 Difference]: Finished difference Result 1036 states and 1443 transitions. [2024-11-23 23:06:21,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:06:21,131 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-23 23:06:21,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:21,135 INFO L225 Difference]: With dead ends: 1036 [2024-11-23 23:06:21,135 INFO L226 Difference]: Without dead ends: 694 [2024-11-23 23:06:21,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:06:21,137 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 302 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:21,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1173 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:06:21,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-23 23:06:21,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 438. [2024-11-23 23:06:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 406 states have (on average 1.3990147783251232) internal successors, (568), 406 states have internal predecessors, (568), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 622 transitions. [2024-11-23 23:06:21,189 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 622 transitions. Word has length 101 [2024-11-23 23:06:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:21,189 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 622 transitions. [2024-11-23 23:06:21,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 622 transitions. [2024-11-23 23:06:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:06:21,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:21,191 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:21,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:06:21,192 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:21,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:21,193 INFO L85 PathProgramCache]: Analyzing trace with hash 533212757, now seen corresponding path program 1 times [2024-11-23 23:06:21,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:21,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815789745] [2024-11-23 23:06:21,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:22,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815789745] [2024-11-23 23:06:22,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815789745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:22,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:22,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:06:22,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244353163] [2024-11-23 23:06:22,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:22,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:06:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:22,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:06:22,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:06:22,872 INFO L87 Difference]: Start difference. First operand 438 states and 622 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:23,416 INFO L93 Difference]: Finished difference Result 826 states and 1175 transitions. [2024-11-23 23:06:23,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:23,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2024-11-23 23:06:23,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:23,419 INFO L225 Difference]: With dead ends: 826 [2024-11-23 23:06:23,419 INFO L226 Difference]: Without dead ends: 442 [2024-11-23 23:06:23,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:23,421 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 219 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:23,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 502 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:06:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-23 23:06:23,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 438. [2024-11-23 23:06:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 406 states have (on average 1.3916256157635467) internal successors, (565), 406 states have internal predecessors, (565), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 619 transitions. [2024-11-23 23:06:23,459 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 619 transitions. Word has length 102 [2024-11-23 23:06:23,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:23,459 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 619 transitions. [2024-11-23 23:06:23,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 619 transitions. [2024-11-23 23:06:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:06:23,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:23,461 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:23,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:06:23,461 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:23,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash 127941729, now seen corresponding path program 1 times [2024-11-23 23:06:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:23,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434251907] [2024-11-23 23:06:23,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:24,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:24,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434251907] [2024-11-23 23:06:24,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434251907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:24,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:24,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 23:06:24,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926120261] [2024-11-23 23:06:24,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:24,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:06:24,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:24,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:06:24,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:06:24,279 INFO L87 Difference]: Start difference. First operand 438 states and 619 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:26,030 INFO L93 Difference]: Finished difference Result 1095 states and 1541 transitions. [2024-11-23 23:06:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:06:26,031 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2024-11-23 23:06:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:26,035 INFO L225 Difference]: With dead ends: 1095 [2024-11-23 23:06:26,036 INFO L226 Difference]: Without dead ends: 711 [2024-11-23 23:06:26,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-23 23:06:26,039 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 701 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:26,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 976 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 23:06:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-23 23:06:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 486. [2024-11-23 23:06:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 454 states have (on average 1.4008810572687225) internal successors, (636), 454 states have internal predecessors, (636), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 690 transitions. [2024-11-23 23:06:26,093 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 690 transitions. Word has length 103 [2024-11-23 23:06:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:26,093 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 690 transitions. [2024-11-23 23:06:26,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 690 transitions. [2024-11-23 23:06:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:06:26,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:26,095 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:26,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:06:26,096 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:26,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -461456386, now seen corresponding path program 1 times [2024-11-23 23:06:26,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:26,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133778472] [2024-11-23 23:06:26,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:26,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:26,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:26,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133778472] [2024-11-23 23:06:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133778472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:26,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:26,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:06:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541862553] [2024-11-23 23:06:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:26,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:06:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:26,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:06:26,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:26,432 INFO L87 Difference]: Start difference. First operand 486 states and 690 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:26,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:26,940 INFO L93 Difference]: Finished difference Result 916 states and 1289 transitions. [2024-11-23 23:06:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:06:26,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2024-11-23 23:06:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:26,946 INFO L225 Difference]: With dead ends: 916 [2024-11-23 23:06:26,946 INFO L226 Difference]: Without dead ends: 651 [2024-11-23 23:06:26,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:06:26,948 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 354 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:26,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 467 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:06:26,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-23 23:06:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 486. [2024-11-23 23:06:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 454 states have (on average 1.3986784140969164) internal successors, (635), 454 states have internal predecessors, (635), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 689 transitions. [2024-11-23 23:06:26,995 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 689 transitions. Word has length 103 [2024-11-23 23:06:26,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:26,996 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 689 transitions. [2024-11-23 23:06:26,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 689 transitions. [2024-11-23 23:06:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:26,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:26,998 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:26,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:06:26,998 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash 374293398, now seen corresponding path program 1 times [2024-11-23 23:06:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:26,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046948829] [2024-11-23 23:06:26,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:06:27,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:27,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046948829] [2024-11-23 23:06:27,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046948829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:27,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145136331] [2024-11-23 23:06:27,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:27,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:27,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:27,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:27,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:06:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:27,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:06:27,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:27,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:27,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145136331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:27,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:27,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:06:27,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633898483] [2024-11-23 23:06:27,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:27,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:27,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:27,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:27,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:27,529 INFO L87 Difference]: Start difference. First operand 486 states and 689 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:27,594 INFO L93 Difference]: Finished difference Result 924 states and 1313 transitions. [2024-11-23 23:06:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:27,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-23 23:06:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:27,598 INFO L225 Difference]: With dead ends: 924 [2024-11-23 23:06:27,599 INFO L226 Difference]: Without dead ends: 492 [2024-11-23 23:06:27,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:27,600 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:27,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:27,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-23 23:06:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-11-23 23:06:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 460 states have (on average 1.3934782608695653) internal successors, (641), 460 states have internal predecessors, (641), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 695 transitions. [2024-11-23 23:06:27,651 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 695 transitions. Word has length 104 [2024-11-23 23:06:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:27,651 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 695 transitions. [2024-11-23 23:06:27,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 695 transitions. [2024-11-23 23:06:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:27,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:27,653 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:27,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:06:27,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:27,854 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:27,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 214403544, now seen corresponding path program 1 times [2024-11-23 23:06:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339148640] [2024-11-23 23:06:27,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:28,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:28,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339148640] [2024-11-23 23:06:28,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339148640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:28,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:28,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:06:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285329321] [2024-11-23 23:06:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:28,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:06:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:28,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:06:28,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:28,659 INFO L87 Difference]: Start difference. First operand 492 states and 695 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:29,306 INFO L93 Difference]: Finished difference Result 834 states and 1178 transitions. [2024-11-23 23:06:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:06:29,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-23 23:06:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:29,308 INFO L225 Difference]: With dead ends: 834 [2024-11-23 23:06:29,309 INFO L226 Difference]: Without dead ends: 396 [2024-11-23 23:06:29,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:29,310 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 111 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:29,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 583 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-23 23:06:29,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2024-11-23 23:06:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 358 states have (on average 1.3687150837988826) internal successors, (490), 358 states have internal predecessors, (490), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 544 transitions. [2024-11-23 23:06:29,348 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 544 transitions. Word has length 104 [2024-11-23 23:06:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:29,348 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 544 transitions. [2024-11-23 23:06:29,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 544 transitions. [2024-11-23 23:06:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:29,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:29,350 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:29,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:06:29,350 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:29,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1556306836, now seen corresponding path program 1 times [2024-11-23 23:06:29,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692313561] [2024-11-23 23:06:29,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:31,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:31,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692313561] [2024-11-23 23:06:31,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692313561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:31,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:31,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 23:06:31,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040825955] [2024-11-23 23:06:31,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:31,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:06:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:31,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:06:31,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:06:31,131 INFO L87 Difference]: Start difference. First operand 390 states and 544 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:06:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:32,100 INFO L93 Difference]: Finished difference Result 777 states and 1077 transitions. [2024-11-23 23:06:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:06:32,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 104 [2024-11-23 23:06:32,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:32,107 INFO L225 Difference]: With dead ends: 777 [2024-11-23 23:06:32,107 INFO L226 Difference]: Without dead ends: 435 [2024-11-23 23:06:32,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:06:32,110 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 603 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:32,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 867 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:06:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-23 23:06:32,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 387. [2024-11-23 23:06:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 355 states have (on average 1.3633802816901408) internal successors, (484), 355 states have internal predecessors, (484), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 538 transitions. [2024-11-23 23:06:32,156 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 538 transitions. Word has length 104 [2024-11-23 23:06:32,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:32,156 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 538 transitions. [2024-11-23 23:06:32,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 23:06:32,156 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 538 transitions. [2024-11-23 23:06:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:32,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:32,158 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:32,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:06:32,158 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:32,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:32,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1440150799, now seen corresponding path program 1 times [2024-11-23 23:06:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:32,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139696481] [2024-11-23 23:06:32,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:32,726 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:32,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:32,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139696481] [2024-11-23 23:06:32,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139696481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:32,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:32,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:06:32,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430172522] [2024-11-23 23:06:32,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:32,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:06:32,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:32,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:06:32,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:32,729 INFO L87 Difference]: Start difference. First operand 387 states and 538 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:33,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:33,810 INFO L93 Difference]: Finished difference Result 657 states and 917 transitions. [2024-11-23 23:06:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:06:33,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-23 23:06:33,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:33,813 INFO L225 Difference]: With dead ends: 657 [2024-11-23 23:06:33,813 INFO L226 Difference]: Without dead ends: 457 [2024-11-23 23:06:33,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:33,815 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 172 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:33,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 972 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:06:33,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-23 23:06:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 401. [2024-11-23 23:06:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 369 states have (on average 1.3766937669376693) internal successors, (508), 369 states have internal predecessors, (508), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-23 23:06:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 562 transitions. [2024-11-23 23:06:33,856 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 562 transitions. Word has length 104 [2024-11-23 23:06:33,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:33,856 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 562 transitions. [2024-11-23 23:06:33,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 562 transitions. [2024-11-23 23:06:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:33,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:33,858 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:33,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 23:06:33,858 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:33,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:33,859 INFO L85 PathProgramCache]: Analyzing trace with hash 160287121, now seen corresponding path program 1 times [2024-11-23 23:06:33,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:33,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845215187] [2024-11-23 23:06:33,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:33,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:35,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:35,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845215187] [2024-11-23 23:06:35,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845215187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:35,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:35,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:06:35,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015729359] [2024-11-23 23:06:35,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:35,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:06:35,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:35,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:06:35,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:06:35,673 INFO L87 Difference]: Start difference. First operand 401 states and 562 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:35,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:35,989 INFO L93 Difference]: Finished difference Result 769 states and 1085 transitions. [2024-11-23 23:06:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:06:35,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-11-23 23:06:35,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:35,992 INFO L225 Difference]: With dead ends: 769 [2024-11-23 23:06:35,992 INFO L226 Difference]: Without dead ends: 558 [2024-11-23 23:06:35,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:06:35,993 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 213 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:35,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 530 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:06:35,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-23 23:06:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 545. [2024-11-23 23:06:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 503 states have (on average 1.371769383697813) internal successors, (690), 503 states have internal predecessors, (690), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 762 transitions. [2024-11-23 23:06:36,050 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 762 transitions. Word has length 104 [2024-11-23 23:06:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:36,051 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 762 transitions. [2024-11-23 23:06:36,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 762 transitions. [2024-11-23 23:06:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:06:36,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:36,052 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:36,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 23:06:36,053 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:36,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:36,053 INFO L85 PathProgramCache]: Analyzing trace with hash -710127411, now seen corresponding path program 1 times [2024-11-23 23:06:36,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:36,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369683904] [2024-11-23 23:06:36,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:37,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:37,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369683904] [2024-11-23 23:06:37,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369683904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:37,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:37,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:06:37,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059382235] [2024-11-23 23:06:37,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:37,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:06:37,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:37,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:06:37,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:37,713 INFO L87 Difference]: Start difference. First operand 545 states and 762 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:38,939 INFO L93 Difference]: Finished difference Result 1097 states and 1528 transitions. [2024-11-23 23:06:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:06:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-11-23 23:06:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:38,942 INFO L225 Difference]: With dead ends: 1097 [2024-11-23 23:06:38,943 INFO L226 Difference]: Without dead ends: 606 [2024-11-23 23:06:38,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:06:38,944 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 290 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:38,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1063 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:06:38,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-23 23:06:38,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 547. [2024-11-23 23:06:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 505 states have (on average 1.3722772277227724) internal successors, (693), 505 states have internal predecessors, (693), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 765 transitions. [2024-11-23 23:06:38,998 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 765 transitions. Word has length 104 [2024-11-23 23:06:38,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:38,999 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 765 transitions. [2024-11-23 23:06:38,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 765 transitions. [2024-11-23 23:06:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:06:39,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:39,000 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:39,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 23:06:39,001 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:39,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash 518930393, now seen corresponding path program 1 times [2024-11-23 23:06:39,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:39,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747260649] [2024-11-23 23:06:39,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:39,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:40,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:40,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747260649] [2024-11-23 23:06:40,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747260649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:40,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:40,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:06:40,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657854606] [2024-11-23 23:06:40,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:40,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:06:40,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:40,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:06:40,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:40,041 INFO L87 Difference]: Start difference. First operand 547 states and 765 transitions. Second operand has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:41,332 INFO L93 Difference]: Finished difference Result 1342 states and 1860 transitions. [2024-11-23 23:06:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:06:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2024-11-23 23:06:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:41,336 INFO L225 Difference]: With dead ends: 1342 [2024-11-23 23:06:41,336 INFO L226 Difference]: Without dead ends: 849 [2024-11-23 23:06:41,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:06:41,338 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 610 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:41,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 833 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:06:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-23 23:06:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 554. [2024-11-23 23:06:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 512 states have (on average 1.373046875) internal successors, (703), 512 states have internal predecessors, (703), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2024-11-23 23:06:41,441 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 105 [2024-11-23 23:06:41,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:41,441 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2024-11-23 23:06:41,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2024-11-23 23:06:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:06:41,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:41,443 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:41,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:06:41,444 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:41,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1562954717, now seen corresponding path program 1 times [2024-11-23 23:06:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812109232] [2024-11-23 23:06:41,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:41,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:41,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812109232] [2024-11-23 23:06:41,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812109232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:41,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:41,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:06:41,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610997595] [2024-11-23 23:06:41,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:41,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:06:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:41,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:06:41,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:06:41,881 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:42,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:42,506 INFO L93 Difference]: Finished difference Result 1044 states and 1460 transitions. [2024-11-23 23:06:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:06:42,506 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-11-23 23:06:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:42,509 INFO L225 Difference]: With dead ends: 1044 [2024-11-23 23:06:42,509 INFO L226 Difference]: Without dead ends: 680 [2024-11-23 23:06:42,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:06:42,510 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 189 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:42,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 847 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:42,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-23 23:06:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 571. [2024-11-23 23:06:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 529 states have (on average 1.3799621928166352) internal successors, (730), 529 states have internal predecessors, (730), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 802 transitions. [2024-11-23 23:06:42,567 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 802 transitions. Word has length 105 [2024-11-23 23:06:42,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:42,568 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 802 transitions. [2024-11-23 23:06:42,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 802 transitions. [2024-11-23 23:06:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:06:42,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:42,569 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:42,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:06:42,569 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:42,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:42,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1452148901, now seen corresponding path program 1 times [2024-11-23 23:06:42,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:42,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836015100] [2024-11-23 23:06:42,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:42,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:44,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836015100] [2024-11-23 23:06:44,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836015100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:44,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:44,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:06:44,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20065294] [2024-11-23 23:06:44,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:44,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:06:44,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:44,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:06:44,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:06:44,151 INFO L87 Difference]: Start difference. First operand 571 states and 802 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:44,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:44,805 INFO L93 Difference]: Finished difference Result 963 states and 1357 transitions. [2024-11-23 23:06:44,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:44,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2024-11-23 23:06:44,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:44,808 INFO L225 Difference]: With dead ends: 963 [2024-11-23 23:06:44,808 INFO L226 Difference]: Without dead ends: 585 [2024-11-23 23:06:44,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:06:44,810 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 224 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:44,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 548 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-23 23:06:44,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 574. [2024-11-23 23:06:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 532 states have (on average 1.3778195488721805) internal successors, (733), 532 states have internal predecessors, (733), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 805 transitions. [2024-11-23 23:06:44,867 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 805 transitions. Word has length 105 [2024-11-23 23:06:44,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:44,867 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 805 transitions. [2024-11-23 23:06:44,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 805 transitions. [2024-11-23 23:06:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 23:06:44,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:44,868 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:44,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:06:44,869 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:44,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:44,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1326025307, now seen corresponding path program 1 times [2024-11-23 23:06:44,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:44,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586332460] [2024-11-23 23:06:44,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:44,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:44,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586332460] [2024-11-23 23:06:44,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586332460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:44,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:44,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590411176] [2024-11-23 23:06:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:44,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:44,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:44,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:44,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:44,968 INFO L87 Difference]: Start difference. First operand 574 states and 805 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:45,031 INFO L93 Difference]: Finished difference Result 1097 states and 1543 transitions. [2024-11-23 23:06:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:45,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2024-11-23 23:06:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:45,034 INFO L225 Difference]: With dead ends: 1097 [2024-11-23 23:06:45,034 INFO L226 Difference]: Without dead ends: 577 [2024-11-23 23:06:45,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:45,041 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:45,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-23 23:06:45,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-23 23:06:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 535 states have (on average 1.3757009345794393) internal successors, (736), 535 states have internal predecessors, (736), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 808 transitions. [2024-11-23 23:06:45,094 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 808 transitions. Word has length 106 [2024-11-23 23:06:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:45,116 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 808 transitions. [2024-11-23 23:06:45,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:06:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 808 transitions. [2024-11-23 23:06:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 23:06:45,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:45,121 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:45,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:06:45,121 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:45,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash 721618541, now seen corresponding path program 1 times [2024-11-23 23:06:45,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:45,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460241959] [2024-11-23 23:06:45,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:06:48,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:48,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460241959] [2024-11-23 23:06:48,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460241959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:48,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:48,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:06:48,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043635204] [2024-11-23 23:06:48,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:48,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:06:48,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:48,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:06:48,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:06:48,109 INFO L87 Difference]: Start difference. First operand 577 states and 808 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:49,023 INFO L93 Difference]: Finished difference Result 586 states and 817 transitions. [2024-11-23 23:06:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:06:49,024 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 106 [2024-11-23 23:06:49,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:49,026 INFO L225 Difference]: With dead ends: 586 [2024-11-23 23:06:49,026 INFO L226 Difference]: Without dead ends: 584 [2024-11-23 23:06:49,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:06:49,028 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 452 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:49,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 764 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:06:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-23 23:06:49,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 580. [2024-11-23 23:06:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 538 states have (on average 1.3736059479553904) internal successors, (739), 538 states have internal predecessors, (739), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:06:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 811 transitions. [2024-11-23 23:06:49,081 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 811 transitions. Word has length 106 [2024-11-23 23:06:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:49,081 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 811 transitions. [2024-11-23 23:06:49,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:06:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 811 transitions. [2024-11-23 23:06:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 23:06:49,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:49,082 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:49,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 23:06:49,083 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:49,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:49,083 INFO L85 PathProgramCache]: Analyzing trace with hash 723465583, now seen corresponding path program 1 times [2024-11-23 23:06:49,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:49,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189854177] [2024-11-23 23:06:49,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:06:49,188 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:06:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:06:49,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:06:49,364 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:06:49,365 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:06:49,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 23:06:49,370 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:49,512 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:06:49,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:49 BoogieIcfgContainer [2024-11-23 23:06:49,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:06:49,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:06:49,516 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:06:49,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:06:49,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:54" (3/4) ... [2024-11-23 23:06:49,545 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:06:49,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:06:49,547 INFO L158 Benchmark]: Toolchain (without parser) took 56689.35ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 92.3MB in the beginning and 396.4MB in the end (delta: -304.2MB). Peak memory consumption was 266.4MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,547 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.33ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.71ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 72.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: Boogie Preprocessor took 87.58ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 69.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: RCFGBuilder took 1065.54ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 86.9MB in the end (delta: -17.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: TraceAbstraction took 55071.10ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 86.4MB in the beginning and 149.7MB in the end (delta: -63.3MB). Peak memory consumption was 251.2MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,548 INFO L158 Benchmark]: Witness Printer took 30.41ms. Allocated memory is still 436.2MB. Free memory was 149.7MB in the beginning and 396.4MB in the end (delta: -246.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-23 23:06:49,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.33ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.71ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 72.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.58ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 69.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.54ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 86.9MB in the end (delta: -17.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 55071.10ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 86.4MB in the beginning and 149.7MB in the end (delta: -63.3MB). Peak memory consumption was 251.2MB. Max. memory is 16.1GB. * Witness Printer took 30.41ms. Allocated memory is still 436.2MB. Free memory was 149.7MB in the beginning and 396.4MB in the end (delta: -246.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someUnaryDOUBLEoperation at line 43. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -10, 4, 200, 32, 256.5, -0.25, 0.30000000000000004, 49.5, -8, 0, 0.4, -256 }; [L51] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L52] signed short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L53] unsigned char* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L54] unsigned char* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L55] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L56] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L57] float* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L58] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L59] signed long int* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L60] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L61] float* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L62] signed long int* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L63] signed long int last_1_WrapperStruct00_var_1_13 = -8; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=0, last_1_WrapperStruct00_var_1_13=-8] [L117] isInitial = 1 [L118] FCALL initially() [L120] CALL updateLastVariables() [L110] EXPR WrapperStruct00.var_1_13 [L110] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L120] RET updateLastVariables() [L121] CALL updateVariables() [L93] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L96] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L101] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L103] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L105] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L121] RET updateVariables() [L122] CALL step() [L67] EXPR \read(*WrapperStruct00_var_1_5_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L67] COND FALSE !((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) [L70] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L70] (*(WrapperStruct00_var_1_16_Pointer)) = (*(WrapperStruct00_var_1_7_Pointer)) [L71] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L71] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_7_Pointer)); [L72] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L72] COND TRUE ! (*(WrapperStruct00_var_1_14_Pointer)) [L73] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L73] (*(WrapperStruct00_var_1_13_Pointer)) = (*(WrapperStruct00_var_1_8_Pointer)) [L81] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L81] (*(WrapperStruct00_var_1_15_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L82] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L82] EXPR (*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L82] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L82] signed long int stepLocal_0 = ((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer)); [L83] COND FALSE !(stepLocal_0 < -1) [L86] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L86] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L86] (*(WrapperStruct00_var_1_1_Pointer)) = (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) [L88] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] EXPR (*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] EXPR (*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] COND FALSE !((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))))) [L113] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR ((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1) [L113] EXPR \read(*WrapperStruct00_var_1_5_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer)))))) [L113] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))) [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L113] EXPR (! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer)))) [L113] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L113] EXPR ((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer))))) && ((*(WrapperStruct00_var_1_16_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113-L114] return (((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer))))) && ((*(WrapperStruct00_var_1_16_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.9s, OverallIterations: 31, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7177 SdHoareTripleChecker+Valid, 13.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7177 mSDsluCounter, 18941 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14942 mSDsCounter, 440 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9819 IncrementalHoareTripleChecker+Invalid, 10259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 440 mSolverCounterUnsat, 3999 mSDtfsCounter, 9819 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 877 GetRequests, 556 SyntacticMatches, 13 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=30, InterpolantAutomatonStates: 215, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 30 MinimizatonAttempts, 1809 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 29.3s InterpolantComputationTime, 3549 NumberOfCodeBlocks, 3549 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3409 ConstructedInterpolants, 0 QuantifiedInterpolants, 30518 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1787 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 34 InterpolantComputations, 29 PerfectInterpolantSequences, 4746/4896 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:06:49,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:06:52,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:06:52,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:06:52,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:06:52,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:06:52,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:06:52,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:06:52,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:06:52,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:06:52,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:06:52,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:06:52,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:06:52,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:06:52,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:06:52,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:06:52,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:06:52,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:06:52,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:06:52,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:06:52,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:06:52,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:06:52,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:06:52,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:06:52,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:06:52,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:52,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:06:52,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:52,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:52,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:52,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:06:52,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:06:52,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:06:52,508 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 [2024-11-23 23:06:52,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:06:52,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:06:52,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:06:52,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:06:52,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:06:52,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:06:55,901 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/b32259a53/c7ec76f367da4aef87d22b123e31e5f8/FLAG43c033144 [2024-11-23 23:06:56,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:06:56,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:06:56,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/b32259a53/c7ec76f367da4aef87d22b123e31e5f8/FLAG43c033144 [2024-11-23 23:06:56,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/data/b32259a53/c7ec76f367da4aef87d22b123e31e5f8 [2024-11-23 23:06:56,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:06:56,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:06:56,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:56,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:06:56,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:06:56,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ba79ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56, skipping insertion in model container [2024-11-23 23:06:56,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:06:56,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-23 23:06:56,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:56,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:06:56,792 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-23 23:06:56,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:56,901 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:06:56,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56 WrapperNode [2024-11-23 23:06:56,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:56,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:56,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:06:56,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:06:56,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,987 INFO L138 Inliner]: procedures = 37, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2024-11-23 23:06:56,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:56,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:06:56,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:06:56,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:06:57,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,046 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 28 writes are split as follows [0, 28]. [2024-11-23 23:06:57,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:06:57,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:06:57,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:06:57,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:06:57,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:57,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:57,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:57,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:06:57,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 23:06:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-23 23:06:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:06:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-23 23:06:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:06:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 23:06:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 23:06:57,340 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:06:57,343 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:07:04,728 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-23 23:07:04,728 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:07:04,740 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:07:04,741 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:07:04,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:04 BoogieIcfgContainer [2024-11-23 23:07:04,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:07:04,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:07:04,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:07:04,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:07:04,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:56" (1/3) ... [2024-11-23 23:07:04,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4252217c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:04, skipping insertion in model container [2024-11-23 23:07:04,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56" (2/3) ... [2024-11-23 23:07:04,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4252217c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:04, skipping insertion in model container [2024-11-23 23:07:04,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:04" (3/3) ... [2024-11-23 23:07:04,752 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-23 23:07:04,767 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:07:04,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-33.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:07:04,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:07:04,855 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76107a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:07:04,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:07:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:04,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:04,872 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:04,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:04,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:04,879 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-11-23 23:07:04,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:04,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76930698] [2024-11-23 23:07:04,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:04,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:04,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:04,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:07:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:05,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:07:05,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-23 23:07:05,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:05,407 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:05,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76930698] [2024-11-23 23:07:05,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76930698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:05,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:05,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841901409] [2024-11-23 23:07:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:05,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:07:05,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:05,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:07:05,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:07:05,439 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:05,464 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-11-23 23:07:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:07:05,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-23 23:07:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:05,472 INFO L225 Difference]: With dead ends: 163 [2024-11-23 23:07:05,472 INFO L226 Difference]: Without dead ends: 81 [2024-11-23 23:07:05,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:07:05,481 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:05,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-23 23:07:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-23 23:07:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-23 23:07:05,530 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-11-23 23:07:05,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:05,530 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-23 23:07:05,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-23 23:07:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:05,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:05,537 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:05,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:07:05,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:05,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:05,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:05,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-11-23 23:07:05,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:05,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364324926] [2024-11-23 23:07:05,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:05,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:05,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:05,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:05,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:07:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:06,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:07:06,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-23 23:07:06,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:06,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364324926] [2024-11-23 23:07:06,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364324926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:06,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:06,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:07:06,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699000928] [2024-11-23 23:07:06,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:06,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:07:06,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:06,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:07:06,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:06,189 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:06,265 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-11-23 23:07:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:07:06,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-23 23:07:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:06,267 INFO L225 Difference]: With dead ends: 161 [2024-11-23 23:07:06,267 INFO L226 Difference]: Without dead ends: 83 [2024-11-23 23:07:06,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:06,269 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:06,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:07:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-23 23:07:06,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-23 23:07:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-23 23:07:06,286 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-11-23 23:07:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:06,288 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-23 23:07:06,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-23 23:07:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:06,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:06,290 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:06,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:07:06,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:06,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:06,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:06,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-11-23 23:07:06,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:06,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69772556] [2024-11-23 23:07:06,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:06,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:06,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:06,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:06,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:07:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:06,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:07:06,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:06,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:07:07,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-23 23:07:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:07:07,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:07,061 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:07,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69772556] [2024-11-23 23:07:07,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69772556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:07,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:07,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:07:07,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083821636] [2024-11-23 23:07:07,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:07,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:07:07,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:07,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:07:07,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:07:07,063 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:09,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:10,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:13,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:15,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:16,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:19,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:21,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:21,348 INFO L93 Difference]: Finished difference Result 199 states and 281 transitions. [2024-11-23 23:07:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:21,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-23 23:07:21,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:21,351 INFO L225 Difference]: With dead ends: 199 [2024-11-23 23:07:21,351 INFO L226 Difference]: Without dead ends: 119 [2024-11-23 23:07:21,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:21,352 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 44 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:21,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 336 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2024-11-23 23:07:21,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-23 23:07:21,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 89. [2024-11-23 23:07:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 125 transitions. [2024-11-23 23:07:21,363 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 125 transitions. Word has length 92 [2024-11-23 23:07:21,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:21,364 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 125 transitions. [2024-11-23 23:07:21,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-11-23 23:07:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:21,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:21,366 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:21,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 23:07:21,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:21,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:21,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 941502738, now seen corresponding path program 1 times [2024-11-23 23:07:21,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:21,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17718811] [2024-11-23 23:07:21,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:21,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:21,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:07:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:21,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:07:21,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:07:22,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:22,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:22,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17718811] [2024-11-23 23:07:22,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17718811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:22,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:22,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:07:22,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618043659] [2024-11-23 23:07:22,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:22,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:07:22,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:22,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:07:22,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:07:22,032 INFO L87 Difference]: Start difference. First operand 89 states and 125 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:22,181 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-23 23:07:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:07:22,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-23 23:07:22,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:22,183 INFO L225 Difference]: With dead ends: 182 [2024-11-23 23:07:22,184 INFO L226 Difference]: Without dead ends: 96 [2024-11-23 23:07:22,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:07:22,185 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:22,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 519 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:07:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-23 23:07:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-23 23:07:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2024-11-23 23:07:22,196 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 92 [2024-11-23 23:07:22,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:22,196 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2024-11-23 23:07:22,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2024-11-23 23:07:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:22,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:22,199 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:22,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 23:07:22,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:22,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:22,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1578457196, now seen corresponding path program 1 times [2024-11-23 23:07:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:22,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812015974] [2024-11-23 23:07:22,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:22,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:07:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:22,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:07:22,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:07:22,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:22,849 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812015974] [2024-11-23 23:07:22,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812015974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:22,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:22,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:07:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764809397] [2024-11-23 23:07:22,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:22,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:07:22,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:22,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:07:22,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:22,853 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:23,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:23,016 INFO L93 Difference]: Finished difference Result 190 states and 263 transitions. [2024-11-23 23:07:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:07:23,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-23 23:07:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:23,018 INFO L225 Difference]: With dead ends: 190 [2024-11-23 23:07:23,019 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:07:23,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:23,020 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:23,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 616 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:07:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:07:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-23 23:07:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2024-11-23 23:07:23,029 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 92 [2024-11-23 23:07:23,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:23,030 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-11-23 23:07:23,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-23 23:07:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2024-11-23 23:07:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:07:23,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:23,032 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:23,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 23:07:23,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:23,233 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:23,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:23,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1576610154, now seen corresponding path program 1 times [2024-11-23 23:07:23,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:23,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598709983] [2024-11-23 23:07:23,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:23,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:23,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:23,238 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:23,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 23:07:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:23,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:07:23,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:23,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-23 23:07:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 23:07:23,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:23,938 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:23,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598709983] [2024-11-23 23:07:23,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598709983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:23,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:23,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:07:23,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490863547] [2024-11-23 23:07:23,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:23,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:07:23,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:23,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:07:23,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:07:23,940 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:26,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:28,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:29,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:31,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:31,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:31,286 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2024-11-23 23:07:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:07:31,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-23 23:07:31,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:31,288 INFO L225 Difference]: With dead ends: 192 [2024-11-23 23:07:31,288 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:07:31,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:07:31,290 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 89 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:31,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 329 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-23 23:07:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:07:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-23 23:07:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.3255813953488371) internal successors, (114), 86 states have internal predecessors, (114), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2024-11-23 23:07:31,299 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 92 [2024-11-23 23:07:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:31,300 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2024-11-23 23:07:31,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2024-11-23 23:07:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 23:07:31,302 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:31,302 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:31,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 23:07:31,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:31,503 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:31,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:31,504 INFO L85 PathProgramCache]: Analyzing trace with hash 549285136, now seen corresponding path program 1 times [2024-11-23 23:07:31,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:31,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198656473] [2024-11-23 23:07:31,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:31,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:31,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:31,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 23:07:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:31,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:07:31,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:32,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-23 23:07:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-23 23:07:32,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:32,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:32,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198656473] [2024-11-23 23:07:32,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198656473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:32,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:32,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:07:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790018283] [2024-11-23 23:07:32,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:32,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:07:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:32,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:07:32,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:07:32,169 INFO L87 Difference]: Start difference. First operand 97 states and 132 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:35,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:36,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:39,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:39,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:39,130 INFO L93 Difference]: Finished difference Result 191 states and 261 transitions. [2024-11-23 23:07:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:07:39,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2024-11-23 23:07:39,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:39,133 INFO L225 Difference]: With dead ends: 191 [2024-11-23 23:07:39,133 INFO L226 Difference]: Without dead ends: 97 [2024-11-23 23:07:39,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:07:39,134 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:39,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 325 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-23 23:07:39,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-23 23:07:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-23 23:07:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 84 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-11-23 23:07:39,142 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 94 [2024-11-23 23:07:39,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:39,143 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-11-23 23:07:39,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:07:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-11-23 23:07:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:07:39,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:39,145 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:39,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:39,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:39,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:39,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:39,346 INFO L85 PathProgramCache]: Analyzing trace with hash -32472104, now seen corresponding path program 1 times [2024-11-23 23:07:39,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079054594] [2024-11-23 23:07:39,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:39,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:39,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:39,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:39,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 23:07:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:39,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:07:39,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:40,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-23 23:07:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 23:07:40,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:07:40,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-23 23:07:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-23 23:07:40,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:40,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079054594] [2024-11-23 23:07:40,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079054594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:07:40,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:07:40,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-23 23:07:40,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125369919] [2024-11-23 23:07:40,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:07:40,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:07:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:40,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:07:40,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:07:40,537 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-23 23:07:44,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:46,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:47,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:49,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:07:49,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:49,851 INFO L93 Difference]: Finished difference Result 200 states and 270 transitions. [2024-11-23 23:07:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:07:49,852 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 96 [2024-11-23 23:07:49,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:49,853 INFO L225 Difference]: With dead ends: 200 [2024-11-23 23:07:49,853 INFO L226 Difference]: Without dead ends: 97 [2024-11-23 23:07:49,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:07:49,854 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 83 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:49,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 534 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-23 23:07:49,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-23 23:07:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-23 23:07:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:07:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-11-23 23:07:49,863 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 96 [2024-11-23 23:07:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:49,863 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-11-23 23:07:49,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-23 23:07:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-11-23 23:07:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:07:49,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:49,865 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:49,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:50,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:50,066 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:50,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash 320616278, now seen corresponding path program 1 times [2024-11-23 23:07:50,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:50,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659671107] [2024-11-23 23:07:50,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:50,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:07:50,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:50,069 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:07:50,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 23:07:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:50,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 23:07:50,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 23:07:50,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2024-11-23 23:07:50,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-23 23:07:51,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-23 23:07:52,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-23 23:07:53,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-23 23:07:53,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-23 23:07:54,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:07:54,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 41 [2024-11-23 23:07:58,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:07:58,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 19 [2024-11-23 23:08:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 23:08:04,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:12,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:12,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659671107] [2024-11-23 23:08:12,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659671107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:12,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [793521269] [2024-11-23 23:08:12,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:08:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:08:12,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:08:12,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db56a900-c7f4-49f7-88e3-0745c9738590/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-23 23:08:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:13,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:08:13,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:17,445 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-23 23:08:17,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2024-11-23 23:08:17,877 INFO L349 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2024-11-23 23:08:17,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 60 [2024-11-23 23:08:19,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:19,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 202 [2024-11-23 23:08:19,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:19,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:21,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:21,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:22,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:22,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:22,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-23 23:08:23,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:23,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 369 treesize of output 541