./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 04:51:07,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:51:07,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:51:07,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:51:07,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:51:07,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:51:07,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:51:07,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:51:07,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:51:07,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:51:07,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:51:07,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:51:07,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:51:07,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:51:07,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:51:07,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:51:07,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:51:07,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:51:07,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:51:07,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:51:07,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:51:07,875 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:07,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:07,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:51:07,876 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:51:07,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:51:07,877 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_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:51:08,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:51:08,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:51:08,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:51:08,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:51:08,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:51:08,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:51:11,293 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/6215f34b6/42597e03791d4dea8c446584cf1d25dc/FLAG1d558360d [2024-11-28 04:51:11,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:51:11,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:51:11,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/6215f34b6/42597e03791d4dea8c446584cf1d25dc/FLAG1d558360d [2024-11-28 04:51:11,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/6215f34b6/42597e03791d4dea8c446584cf1d25dc [2024-11-28 04:51:11,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:51:11,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:51:11,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:11,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:51:11,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:51:11,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:11" (1/1) ... [2024-11-28 04:51:11,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd175bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:11, skipping insertion in model container [2024-11-28 04:51:11,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:11" (1/1) ... [2024-11-28 04:51:11,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:51:11,957 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_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-28 04:51:12,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:12,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:51:12,098 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_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-28 04:51:12,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:12,207 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:51:12,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12 WrapperNode [2024-11-28 04:51:12,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:12,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:12,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:51:12,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:51:12,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,294 INFO L138 Inliner]: procedures = 30, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-11-28 04:51:12,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:12,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:51:12,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:51:12,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:51:12,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,335 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 04:51:12,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:51:12,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:51:12,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:51:12,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:51:12,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (1/1) ... [2024-11-28 04:51:12,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:51:12,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:12,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:51:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:51:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 04:51:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 04:51:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 04:51:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:51:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 04:51:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:51:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:51:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:51:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:51:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:51:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:51:12,670 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:51:12,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:51:13,406 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-28 04:51:13,406 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:51:13,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:51:13,418 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:51:13,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:13 BoogieIcfgContainer [2024-11-28 04:51:13,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:51:13,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:51:13,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:51:13,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:51:13,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:11" (1/3) ... [2024-11-28 04:51:13,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738f1d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:13, skipping insertion in model container [2024-11-28 04:51:13,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:12" (2/3) ... [2024-11-28 04:51:13,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738f1d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:13, skipping insertion in model container [2024-11-28 04:51:13,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:13" (3/3) ... [2024-11-28 04:51:13,433 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:51:13,447 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:51:13,449 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. [2024-11-28 04:51:13,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:51:13,531 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;@7ab07605, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:51:13,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:51:13,535 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) [2024-11-28 04:51:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:13,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:13,550 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] [2024-11-28 04:51:13,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:13,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash 507444683, now seen corresponding path program 1 times [2024-11-28 04:51:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:13,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157604445] [2024-11-28 04:51:13,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-28 04:51:14,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:14,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157604445] [2024-11-28 04:51:14,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157604445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:14,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245331832] [2024-11-28 04:51:14,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:14,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:14,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:51:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:14,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:51:14,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-28 04:51:14,480 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:14,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245331832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:14,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:51:14,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:51:14,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371214767] [2024-11-28 04:51:14,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:14,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:51:14,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:14,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:51:14,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:51:14,519 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) [2024-11-28 04:51:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:14,561 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-11-28 04:51:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:51:14,563 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 [2024-11-28 04:51:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:14,569 INFO L225 Difference]: With dead ends: 207 [2024-11-28 04:51:14,569 INFO L226 Difference]: Without dead ends: 103 [2024-11-28 04:51:14,572 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 [2024-11-28 04:51:14,576 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 [2024-11-28 04:51:14,576 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] [2024-11-28 04:51:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-28 04:51:14,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-28 04:51:14,625 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) [2024-11-28 04:51:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-11-28 04:51:14,634 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-11-28 04:51:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:14,635 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-11-28 04:51:14,635 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) [2024-11-28 04:51:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-11-28 04:51:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:14,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:14,640 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] [2024-11-28 04:51:14,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:51:14,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:51:14,842 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:14,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1582582707, now seen corresponding path program 1 times [2024-11-28 04:51:14,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385735664] [2024-11-28 04:51:14,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:15,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:15,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385735664] [2024-11-28 04:51:15,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385735664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:15,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:15,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:51:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365950478] [2024-11-28 04:51:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:15,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:51:15,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:15,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:51:15,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:51:15,390 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) [2024-11-28 04:51:15,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:15,477 INFO L93 Difference]: Finished difference Result 206 states and 303 transitions. [2024-11-28 04:51:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:51:15,478 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 [2024-11-28 04:51:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:15,480 INFO L225 Difference]: With dead ends: 206 [2024-11-28 04:51:15,484 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 04:51:15,485 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 [2024-11-28 04:51:15,486 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 [2024-11-28 04:51:15,486 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] [2024-11-28 04:51:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 04:51:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-28 04:51:15,503 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) [2024-11-28 04:51:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-11-28 04:51:15,507 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-11-28 04:51:15,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:15,513 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-11-28 04:51:15,513 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) [2024-11-28 04:51:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-11-28 04:51:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:15,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:15,517 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] [2024-11-28 04:51:15,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:51:15,517 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:15,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash 192424655, now seen corresponding path program 1 times [2024-11-28 04:51:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428629337] [2024-11-28 04:51:15,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:15,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428629337] [2024-11-28 04:51:15,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428629337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:15,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:15,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:51:15,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434596440] [2024-11-28 04:51:15,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:15,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:51:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:15,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:51:15,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:51:15,866 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) [2024-11-28 04:51:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:15,925 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-11-28 04:51:15,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:51:15,928 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 [2024-11-28 04:51:15,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:15,930 INFO L225 Difference]: With dead ends: 210 [2024-11-28 04:51:15,930 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 04:51:15,930 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 [2024-11-28 04:51:15,935 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 [2024-11-28 04:51:15,935 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] [2024-11-28 04:51:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 04:51:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-28 04:51:15,947 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) [2024-11-28 04:51:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-28 04:51:15,951 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-11-28 04:51:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:15,952 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-28 04:51:15,952 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) [2024-11-28 04:51:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-28 04:51:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:15,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:15,957 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] [2024-11-28 04:51:15,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:51:15,957 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:15,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:15,958 INFO L85 PathProgramCache]: Analyzing trace with hash 194271697, now seen corresponding path program 1 times [2024-11-28 04:51:15,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:15,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167384950] [2024-11-28 04:51:15,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:16,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:16,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167384950] [2024-11-28 04:51:16,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167384950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:16,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:16,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:51:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890509194] [2024-11-28 04:51:16,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:16,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:51:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:16,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:51:16,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:51:16,602 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) [2024-11-28 04:51:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:16,859 INFO L93 Difference]: Finished difference Result 268 states and 389 transitions. [2024-11-28 04:51:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:51:16,861 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 [2024-11-28 04:51:16,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:16,864 INFO L225 Difference]: With dead ends: 268 [2024-11-28 04:51:16,864 INFO L226 Difference]: Without dead ends: 164 [2024-11-28 04:51:16,865 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 [2024-11-28 04:51:16,869 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 [2024-11-28 04:51:16,870 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] [2024-11-28 04:51:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-28 04:51:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 124. [2024-11-28 04:51:16,885 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) [2024-11-28 04:51:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2024-11-28 04:51:16,889 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 98 [2024-11-28 04:51:16,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:16,889 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2024-11-28 04:51:16,889 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) [2024-11-28 04:51:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2024-11-28 04:51:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:16,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:16,891 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] [2024-11-28 04:51:16,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:51:16,892 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:16,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1085591981, now seen corresponding path program 1 times [2024-11-28 04:51:16,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:16,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750966142] [2024-11-28 04:51:16,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:18,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750966142] [2024-11-28 04:51:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750966142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:18,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:51:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238913767] [2024-11-28 04:51:18,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:18,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:51:18,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:18,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:51:18,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:18,326 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) [2024-11-28 04:51:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:19,030 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2024-11-28 04:51:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:19,033 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 [2024-11-28 04:51:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:19,034 INFO L225 Difference]: With dead ends: 287 [2024-11-28 04:51:19,034 INFO L226 Difference]: Without dead ends: 166 [2024-11-28 04:51:19,035 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 [2024-11-28 04:51:19,036 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 398 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2024-11-28 04:51:19,038 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] [2024-11-28 04:51:19,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-28 04:51:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 126. [2024-11-28 04:51:19,061 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) [2024-11-28 04:51:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 183 transitions. [2024-11-28 04:51:19,066 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 183 transitions. Word has length 98 [2024-11-28 04:51:19,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:19,067 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 183 transitions. [2024-11-28 04:51:19,067 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) [2024-11-28 04:51:19,067 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2024-11-28 04:51:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:19,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:19,068 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] [2024-11-28 04:51:19,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:51:19,069 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:19,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1611166637, now seen corresponding path program 1 times [2024-11-28 04:51:19,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:19,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305950198] [2024-11-28 04:51:19,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:20,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305950198] [2024-11-28 04:51:20,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305950198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:20,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:20,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:51:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073478417] [2024-11-28 04:51:20,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:20,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:51:20,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:20,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:51:20,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:51:20,435 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) [2024-11-28 04:51:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:21,127 INFO L93 Difference]: Finished difference Result 298 states and 432 transitions. [2024-11-28 04:51:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:21,129 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 [2024-11-28 04:51:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:21,130 INFO L225 Difference]: With dead ends: 298 [2024-11-28 04:51:21,131 INFO L226 Difference]: Without dead ends: 175 [2024-11-28 04:51:21,131 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 [2024-11-28 04:51:21,132 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 [2024-11-28 04:51:21,133 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] [2024-11-28 04:51:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-28 04:51:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 132. [2024-11-28 04:51:21,146 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) [2024-11-28 04:51:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-11-28 04:51:21,148 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 98 [2024-11-28 04:51:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:21,148 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-11-28 04:51:21,149 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) [2024-11-28 04:51:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-11-28 04:51:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:21,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:21,150 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] [2024-11-28 04:51:21,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:51:21,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:21,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1403936981, now seen corresponding path program 1 times [2024-11-28 04:51:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243695599] [2024-11-28 04:51:21,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 04:51:22,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:22,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243695599] [2024-11-28 04:51:22,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243695599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:22,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246371231] [2024-11-28 04:51:22,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:22,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:22,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:22,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:22,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:51:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:22,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 04:51:22,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:23,042 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 [2024-11-28 04:51:23,195 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 [2024-11-28 04:51:23,655 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 [2024-11-28 04:51:23,935 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 [2024-11-28 04:51:24,129 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 [2024-11-28 04:51:24,330 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 [2024-11-28 04:51:24,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:51:24,539 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 [2024-11-28 04:51:24,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:51:24,733 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 [2024-11-28 04:51:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:51:24,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:51:24,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246371231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:24,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:51:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-11-28 04:51:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129585220] [2024-11-28 04:51:24,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:51:24,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:51:24,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:24,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:51:24,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:51:24,941 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) [2024-11-28 04:51:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:26,427 INFO L93 Difference]: Finished difference Result 400 states and 579 transitions. [2024-11-28 04:51:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:51:26,428 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 [2024-11-28 04:51:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:26,430 INFO L225 Difference]: With dead ends: 400 [2024-11-28 04:51:26,430 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 04:51:26,431 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 [2024-11-28 04:51:26,432 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 240 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2024-11-28 04:51:26,432 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] [2024-11-28 04:51:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 04:51:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 177. [2024-11-28 04:51:26,452 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) [2024-11-28 04:51:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 253 transitions. [2024-11-28 04:51:26,455 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 253 transitions. Word has length 98 [2024-11-28 04:51:26,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:26,456 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 253 transitions. [2024-11-28 04:51:26,457 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) [2024-11-28 04:51:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2024-11-28 04:51:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:51:26,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:26,462 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] [2024-11-28 04:51:26,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:51:26,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:26,666 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:26,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1504826921, now seen corresponding path program 1 times [2024-11-28 04:51:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099809959] [2024-11-28 04:51:26,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:26,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:29,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:29,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099809959] [2024-11-28 04:51:29,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099809959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:29,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:29,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:51:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521695841] [2024-11-28 04:51:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:29,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:51:29,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:29,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:51:29,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:51:29,501 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) [2024-11-28 04:51:30,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:30,207 INFO L93 Difference]: Finished difference Result 475 states and 684 transitions. [2024-11-28 04:51:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:51:30,209 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 [2024-11-28 04:51:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:30,211 INFO L225 Difference]: With dead ends: 475 [2024-11-28 04:51:30,211 INFO L226 Difference]: Without dead ends: 346 [2024-11-28 04:51:30,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:51:30,212 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 435 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-28 04:51:30,216 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] [2024-11-28 04:51:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-28 04:51:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 300. [2024-11-28 04:51:30,255 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) [2024-11-28 04:51:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 433 transitions. [2024-11-28 04:51:30,261 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 433 transitions. Word has length 98 [2024-11-28 04:51:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:30,261 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 433 transitions. [2024-11-28 04:51:30,261 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) [2024-11-28 04:51:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 433 transitions. [2024-11-28 04:51:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:51:30,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:30,263 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] [2024-11-28 04:51:30,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:51:30,263 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:30,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:30,267 INFO L85 PathProgramCache]: Analyzing trace with hash 181503640, now seen corresponding path program 1 times [2024-11-28 04:51:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:30,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671116054] [2024-11-28 04:51:30,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:30,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:30,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:30,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671116054] [2024-11-28 04:51:30,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671116054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:30,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:30,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:51:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996891561] [2024-11-28 04:51:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:30,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:51:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:30,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:51:30,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:51:30,571 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) [2024-11-28 04:51:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:31,102 INFO L93 Difference]: Finished difference Result 656 states and 947 transitions. [2024-11-28 04:51:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:31,103 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 [2024-11-28 04:51:31,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:31,107 INFO L225 Difference]: With dead ends: 656 [2024-11-28 04:51:31,109 INFO L226 Difference]: Without dead ends: 404 [2024-11-28 04:51:31,110 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 [2024-11-28 04:51:31,111 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 [2024-11-28 04:51:31,111 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] [2024-11-28 04:51:31,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-28 04:51:31,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 324. [2024-11-28 04:51:31,165 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) [2024-11-28 04:51:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 467 transitions. [2024-11-28 04:51:31,169 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 467 transitions. Word has length 99 [2024-11-28 04:51:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:31,169 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 467 transitions. [2024-11-28 04:51:31,170 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) [2024-11-28 04:51:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 467 transitions. [2024-11-28 04:51:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:51:31,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:31,171 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] [2024-11-28 04:51:31,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:51:31,171 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:31,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:31,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1392968729, now seen corresponding path program 1 times [2024-11-28 04:51:31,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:31,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495056195] [2024-11-28 04:51:31,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:31,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:31,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495056195] [2024-11-28 04:51:31,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495056195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:31,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:31,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:51:31,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354765682] [2024-11-28 04:51:31,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:31,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:51:31,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:31,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:51:31,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:51:31,482 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) [2024-11-28 04:51:31,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:31,935 INFO L93 Difference]: Finished difference Result 683 states and 983 transitions. [2024-11-28 04:51:31,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:51:31,936 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 [2024-11-28 04:51:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:31,939 INFO L225 Difference]: With dead ends: 683 [2024-11-28 04:51:31,939 INFO L226 Difference]: Without dead ends: 407 [2024-11-28 04:51:31,941 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 [2024-11-28 04:51:31,942 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 [2024-11-28 04:51:31,943 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] [2024-11-28 04:51:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-28 04:51:31,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 324. [2024-11-28 04:51:31,984 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) [2024-11-28 04:51:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 463 transitions. [2024-11-28 04:51:31,986 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 463 transitions. Word has length 99 [2024-11-28 04:51:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:31,990 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 463 transitions. [2024-11-28 04:51:31,990 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) [2024-11-28 04:51:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 463 transitions. [2024-11-28 04:51:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:51:31,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:31,992 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] [2024-11-28 04:51:31,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:51:31,992 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:31,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash -814969296, now seen corresponding path program 1 times [2024-11-28 04:51:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813778854] [2024-11-28 04:51:31,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:32,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:32,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813778854] [2024-11-28 04:51:32,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813778854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:32,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:32,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:51:32,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169324994] [2024-11-28 04:51:32,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:32,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:51:32,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:32,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:51:32,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:51:32,116 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) [2024-11-28 04:51:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:32,156 INFO L93 Difference]: Finished difference Result 471 states and 679 transitions. [2024-11-28 04:51:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:51:32,157 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 [2024-11-28 04:51:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:32,160 INFO L225 Difference]: With dead ends: 471 [2024-11-28 04:51:32,161 INFO L226 Difference]: Without dead ends: 330 [2024-11-28 04:51:32,162 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 [2024-11-28 04:51:32,163 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 [2024-11-28 04:51:32,164 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] [2024-11-28 04:51:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-28 04:51:32,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-28 04:51:32,209 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) [2024-11-28 04:51:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 469 transitions. [2024-11-28 04:51:32,213 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 469 transitions. Word has length 100 [2024-11-28 04:51:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:32,213 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 469 transitions. [2024-11-28 04:51:32,214 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) [2024-11-28 04:51:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 469 transitions. [2024-11-28 04:51:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:51:32,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:32,215 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] [2024-11-28 04:51:32,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:51:32,215 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:32,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1261794002, now seen corresponding path program 1 times [2024-11-28 04:51:32,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:32,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293547548] [2024-11-28 04:51:32,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:32,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:33,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:33,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293547548] [2024-11-28 04:51:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293547548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:33,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:33,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:51:33,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646498750] [2024-11-28 04:51:33,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:33,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:51:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:33,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:51:33,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:51:33,920 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) [2024-11-28 04:51:34,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:34,681 INFO L93 Difference]: Finished difference Result 712 states and 1016 transitions. [2024-11-28 04:51:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:34,682 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 [2024-11-28 04:51:34,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:34,684 INFO L225 Difference]: With dead ends: 712 [2024-11-28 04:51:34,685 INFO L226 Difference]: Without dead ends: 430 [2024-11-28 04:51:34,686 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 [2024-11-28 04:51:34,687 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:34,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 534 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:51:34,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-28 04:51:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 394. [2024-11-28 04:51:34,739 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) [2024-11-28 04:51:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 560 transitions. [2024-11-28 04:51:34,743 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 560 transitions. Word has length 100 [2024-11-28 04:51:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:34,743 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 560 transitions. [2024-11-28 04:51:34,747 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) [2024-11-28 04:51:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 560 transitions. [2024-11-28 04:51:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:51:34,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:34,748 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, 1, 1] [2024-11-28 04:51:34,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:51:34,749 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash 250676752, now seen corresponding path program 1 times [2024-11-28 04:51:34,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:34,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101889996] [2024-11-28 04:51:34,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 04:51:35,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:35,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101889996] [2024-11-28 04:51:35,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101889996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:35,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241657080] [2024-11-28 04:51:35,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:35,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:35,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:35,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:35,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:51:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:35,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:51:35,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:35,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241657080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:35,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:51:35,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 04:51:35,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283303295] [2024-11-28 04:51:35,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:35,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:51:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:35,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:51:35,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:35,368 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) [2024-11-28 04:51:35,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:35,436 INFO L93 Difference]: Finished difference Result 745 states and 1063 transitions. [2024-11-28 04:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:51:35,437 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 [2024-11-28 04:51:35,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:35,439 INFO L225 Difference]: With dead ends: 745 [2024-11-28 04:51:35,440 INFO L226 Difference]: Without dead ends: 399 [2024-11-28 04:51:35,441 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 [2024-11-28 04:51:35,441 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 [2024-11-28 04:51:35,441 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] [2024-11-28 04:51:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-28 04:51:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-28 04:51:35,477 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) [2024-11-28 04:51:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 565 transitions. [2024-11-28 04:51:35,481 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 565 transitions. Word has length 100 [2024-11-28 04:51:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:35,481 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 565 transitions. [2024-11-28 04:51:35,482 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) [2024-11-28 04:51:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 565 transitions. [2024-11-28 04:51:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:51:35,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:35,484 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] [2024-11-28 04:51:35,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:35,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:35,688 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:35,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:35,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1461008104, now seen corresponding path program 1 times [2024-11-28 04:51:35,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:35,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108488163] [2024-11-28 04:51:35,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:37,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:37,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108488163] [2024-11-28 04:51:37,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108488163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:37,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:37,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:51:37,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081527293] [2024-11-28 04:51:37,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:37,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:51:37,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:37,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:51:37,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:51:37,147 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) [2024-11-28 04:51:37,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:37,505 INFO L93 Difference]: Finished difference Result 764 states and 1086 transitions. [2024-11-28 04:51:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:51:37,506 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 [2024-11-28 04:51:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:37,508 INFO L225 Difference]: With dead ends: 764 [2024-11-28 04:51:37,509 INFO L226 Difference]: Without dead ends: 413 [2024-11-28 04:51:37,509 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 [2024-11-28 04:51:37,510 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 [2024-11-28 04:51:37,510 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] [2024-11-28 04:51:37,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-28 04:51:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 405. [2024-11-28 04:51:37,569 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) [2024-11-28 04:51:37,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 574 transitions. [2024-11-28 04:51:37,572 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 574 transitions. Word has length 100 [2024-11-28 04:51:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:37,573 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 574 transitions. [2024-11-28 04:51:37,573 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) [2024-11-28 04:51:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 574 transitions. [2024-11-28 04:51:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:51:37,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:37,575 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] [2024-11-28 04:51:37,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:51:37,576 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:37,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1245183907, now seen corresponding path program 1 times [2024-11-28 04:51:37,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:37,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050473314] [2024-11-28 04:51:37,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:37,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050473314] [2024-11-28 04:51:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050473314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:37,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:51:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083394731] [2024-11-28 04:51:37,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:37,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:51:37,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:37,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:51:37,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:51:37,899 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) [2024-11-28 04:51:38,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:38,513 INFO L93 Difference]: Finished difference Result 833 states and 1173 transitions. [2024-11-28 04:51:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:38,514 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 [2024-11-28 04:51:38,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:38,518 INFO L225 Difference]: With dead ends: 833 [2024-11-28 04:51:38,518 INFO L226 Difference]: Without dead ends: 482 [2024-11-28 04:51:38,521 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 [2024-11-28 04:51:38,521 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 [2024-11-28 04:51:38,522 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] [2024-11-28 04:51:38,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-28 04:51:38,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 396. [2024-11-28 04:51:38,567 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) [2024-11-28 04:51:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2024-11-28 04:51:38,570 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 101 [2024-11-28 04:51:38,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:38,570 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2024-11-28 04:51:38,570 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) [2024-11-28 04:51:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2024-11-28 04:51:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:51:38,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:38,572 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] [2024-11-28 04:51:38,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:51:38,573 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:38,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:38,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1623301555, now seen corresponding path program 1 times [2024-11-28 04:51:38,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:38,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865647318] [2024-11-28 04:51:38,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:38,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:39,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:39,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865647318] [2024-11-28 04:51:39,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865647318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:39,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:39,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:51:39,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745288227] [2024-11-28 04:51:39,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:39,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:51:39,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:39,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:51:39,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:51:39,076 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) [2024-11-28 04:51:40,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:40,416 INFO L93 Difference]: Finished difference Result 1036 states and 1443 transitions. [2024-11-28 04:51:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:51:40,417 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 [2024-11-28 04:51:40,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:40,420 INFO L225 Difference]: With dead ends: 1036 [2024-11-28 04:51:40,420 INFO L226 Difference]: Without dead ends: 694 [2024-11-28 04:51:40,421 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 [2024-11-28 04:51:40,423 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 [2024-11-28 04:51:40,424 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] [2024-11-28 04:51:40,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-28 04:51:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 438. [2024-11-28 04:51:40,471 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) [2024-11-28 04:51:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 622 transitions. [2024-11-28 04:51:40,474 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 622 transitions. Word has length 101 [2024-11-28 04:51:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:40,475 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 622 transitions. [2024-11-28 04:51:40,475 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) [2024-11-28 04:51:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 622 transitions. [2024-11-28 04:51:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:51:40,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:40,476 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] [2024-11-28 04:51:40,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:51:40,477 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:40,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:40,477 INFO L85 PathProgramCache]: Analyzing trace with hash 533212757, now seen corresponding path program 1 times [2024-11-28 04:51:40,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:40,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783629798] [2024-11-28 04:51:40,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:42,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:42,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783629798] [2024-11-28 04:51:42,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783629798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:42,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:42,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:51:42,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494479776] [2024-11-28 04:51:42,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:42,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:51:42,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:42,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:51:42,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:51:42,180 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) [2024-11-28 04:51:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:42,772 INFO L93 Difference]: Finished difference Result 826 states and 1175 transitions. [2024-11-28 04:51:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:51:42,772 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 [2024-11-28 04:51:42,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:42,775 INFO L225 Difference]: With dead ends: 826 [2024-11-28 04:51:42,775 INFO L226 Difference]: Without dead ends: 442 [2024-11-28 04:51:42,776 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 [2024-11-28 04:51:42,777 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 [2024-11-28 04:51:42,777 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] [2024-11-28 04:51:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-28 04:51:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 438. [2024-11-28 04:51:42,817 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) [2024-11-28 04:51:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 619 transitions. [2024-11-28 04:51:42,820 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 619 transitions. Word has length 102 [2024-11-28 04:51:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:42,820 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 619 transitions. [2024-11-28 04:51:42,821 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) [2024-11-28 04:51:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 619 transitions. [2024-11-28 04:51:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:51:42,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:42,822 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] [2024-11-28 04:51:42,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:51:42,823 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:42,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:42,836 INFO L85 PathProgramCache]: Analyzing trace with hash 127941729, now seen corresponding path program 1 times [2024-11-28 04:51:42,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:42,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652993256] [2024-11-28 04:51:42,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:42,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:43,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:43,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652993256] [2024-11-28 04:51:43,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652993256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:43,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:43,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:51:43,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596767204] [2024-11-28 04:51:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:43,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:51:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:43,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:51:43,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:51:43,589 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) [2024-11-28 04:51:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:45,141 INFO L93 Difference]: Finished difference Result 1095 states and 1541 transitions. [2024-11-28 04:51:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:51:45,142 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 [2024-11-28 04:51:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:45,145 INFO L225 Difference]: With dead ends: 1095 [2024-11-28 04:51:45,145 INFO L226 Difference]: Without dead ends: 711 [2024-11-28 04:51:45,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:51:45,147 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 701 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:45,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 976 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:51:45,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-28 04:51:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 486. [2024-11-28 04:51:45,192 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) [2024-11-28 04:51:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 690 transitions. [2024-11-28 04:51:45,195 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 690 transitions. Word has length 103 [2024-11-28 04:51:45,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:45,196 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 690 transitions. [2024-11-28 04:51:45,196 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) [2024-11-28 04:51:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 690 transitions. [2024-11-28 04:51:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:51:45,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:45,198 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] [2024-11-28 04:51:45,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:51:45,198 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:45,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash -461456386, now seen corresponding path program 1 times [2024-11-28 04:51:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544547583] [2024-11-28 04:51:45,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:45,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:45,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544547583] [2024-11-28 04:51:45,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544547583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:45,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:45,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:51:45,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392088356] [2024-11-28 04:51:45,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:45,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:51:45,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:45,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:51:45,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:45,507 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) [2024-11-28 04:51:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:46,021 INFO L93 Difference]: Finished difference Result 916 states and 1289 transitions. [2024-11-28 04:51:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:51:46,022 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 [2024-11-28 04:51:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:46,026 INFO L225 Difference]: With dead ends: 916 [2024-11-28 04:51:46,026 INFO L226 Difference]: Without dead ends: 651 [2024-11-28 04:51:46,027 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 [2024-11-28 04:51:46,027 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 [2024-11-28 04:51:46,027 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] [2024-11-28 04:51:46,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-28 04:51:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 486. [2024-11-28 04:51:46,072 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) [2024-11-28 04:51:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 689 transitions. [2024-11-28 04:51:46,075 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 689 transitions. Word has length 103 [2024-11-28 04:51:46,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:46,076 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 689 transitions. [2024-11-28 04:51:46,076 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) [2024-11-28 04:51:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 689 transitions. [2024-11-28 04:51:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:46,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:46,078 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] [2024-11-28 04:51:46,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:51:46,079 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:46,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:46,079 INFO L85 PathProgramCache]: Analyzing trace with hash 374293398, now seen corresponding path program 1 times [2024-11-28 04:51:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13419202] [2024-11-28 04:51:46,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:46,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 04:51:46,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:46,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13419202] [2024-11-28 04:51:46,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13419202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:46,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969484061] [2024-11-28 04:51:46,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:46,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:46,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:46,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:46,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:51:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:46,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:51:46,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:46,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:46,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969484061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:46,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:51:46,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 04:51:46,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205862430] [2024-11-28 04:51:46,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:46,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:51:46,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:46,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:51:46,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:46,610 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) [2024-11-28 04:51:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:46,678 INFO L93 Difference]: Finished difference Result 924 states and 1313 transitions. [2024-11-28 04:51:46,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:51:46,679 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 [2024-11-28 04:51:46,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:46,681 INFO L225 Difference]: With dead ends: 924 [2024-11-28 04:51:46,682 INFO L226 Difference]: Without dead ends: 492 [2024-11-28 04:51:46,683 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 [2024-11-28 04:51:46,683 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 [2024-11-28 04:51:46,686 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] [2024-11-28 04:51:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-28 04:51:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-11-28 04:51:46,734 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) [2024-11-28 04:51:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 695 transitions. [2024-11-28 04:51:46,737 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 695 transitions. Word has length 104 [2024-11-28 04:51:46,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:46,737 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 695 transitions. [2024-11-28 04:51:46,738 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) [2024-11-28 04:51:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 695 transitions. [2024-11-28 04:51:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:46,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:46,740 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] [2024-11-28 04:51:46,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:51:46,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:46,941 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:46,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:46,943 INFO L85 PathProgramCache]: Analyzing trace with hash 214403544, now seen corresponding path program 1 times [2024-11-28 04:51:46,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:46,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893894027] [2024-11-28 04:51:46,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:47,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:47,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893894027] [2024-11-28 04:51:47,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893894027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:47,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:51:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832352756] [2024-11-28 04:51:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:47,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:51:47,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:47,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:51:47,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:47,798 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) [2024-11-28 04:51:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:48,451 INFO L93 Difference]: Finished difference Result 834 states and 1178 transitions. [2024-11-28 04:51:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:51:48,452 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 [2024-11-28 04:51:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:48,454 INFO L225 Difference]: With dead ends: 834 [2024-11-28 04:51:48,454 INFO L226 Difference]: Without dead ends: 396 [2024-11-28 04:51:48,455 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 [2024-11-28 04:51:48,456 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 [2024-11-28 04:51:48,457 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] [2024-11-28 04:51:48,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-28 04:51:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2024-11-28 04:51:48,494 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) [2024-11-28 04:51:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 544 transitions. [2024-11-28 04:51:48,497 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 544 transitions. Word has length 104 [2024-11-28 04:51:48,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:48,497 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 544 transitions. [2024-11-28 04:51:48,497 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) [2024-11-28 04:51:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 544 transitions. [2024-11-28 04:51:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:48,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:48,499 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] [2024-11-28 04:51:48,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:51:48,499 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:48,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:48,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1556306836, now seen corresponding path program 1 times [2024-11-28 04:51:48,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:48,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549528657] [2024-11-28 04:51:48,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:50,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:50,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549528657] [2024-11-28 04:51:50,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549528657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:50,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:51:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828298680] [2024-11-28 04:51:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:50,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:51:50,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:50,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:51:50,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:51:50,261 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) [2024-11-28 04:51:51,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:51,212 INFO L93 Difference]: Finished difference Result 777 states and 1077 transitions. [2024-11-28 04:51:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:51:51,213 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 [2024-11-28 04:51:51,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:51,215 INFO L225 Difference]: With dead ends: 777 [2024-11-28 04:51:51,215 INFO L226 Difference]: Without dead ends: 435 [2024-11-28 04:51:51,216 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 [2024-11-28 04:51:51,217 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 [2024-11-28 04:51:51,218 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] [2024-11-28 04:51:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-28 04:51:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 387. [2024-11-28 04:51:51,257 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) [2024-11-28 04:51:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 538 transitions. [2024-11-28 04:51:51,259 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 538 transitions. Word has length 104 [2024-11-28 04:51:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:51,259 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 538 transitions. [2024-11-28 04:51:51,260 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) [2024-11-28 04:51:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 538 transitions. [2024-11-28 04:51:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:51,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:51,261 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] [2024-11-28 04:51:51,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:51:51,261 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:51,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1440150799, now seen corresponding path program 1 times [2024-11-28 04:51:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:51,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624099072] [2024-11-28 04:51:51,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:51,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:51,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624099072] [2024-11-28 04:51:51,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624099072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:51,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:51,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:51:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41652959] [2024-11-28 04:51:51,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:51,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:51:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:51,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:51:51,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:51:51,958 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) [2024-11-28 04:51:52,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:52,959 INFO L93 Difference]: Finished difference Result 657 states and 917 transitions. [2024-11-28 04:51:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:51:52,960 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 [2024-11-28 04:51:52,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:52,962 INFO L225 Difference]: With dead ends: 657 [2024-11-28 04:51:52,962 INFO L226 Difference]: Without dead ends: 457 [2024-11-28 04:51:52,963 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 [2024-11-28 04:51:52,964 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 172 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:52,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 972 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:51:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-28 04:51:53,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 401. [2024-11-28 04:51:53,007 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) [2024-11-28 04:51:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 562 transitions. [2024-11-28 04:51:53,009 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 562 transitions. Word has length 104 [2024-11-28 04:51:53,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:53,009 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 562 transitions. [2024-11-28 04:51:53,009 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) [2024-11-28 04:51:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 562 transitions. [2024-11-28 04:51:53,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:53,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:53,010 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] [2024-11-28 04:51:53,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:51:53,011 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:53,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:53,012 INFO L85 PathProgramCache]: Analyzing trace with hash 160287121, now seen corresponding path program 1 times [2024-11-28 04:51:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:53,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238119462] [2024-11-28 04:51:53,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:53,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:54,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:54,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238119462] [2024-11-28 04:51:54,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238119462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:54,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:54,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:51:54,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345192274] [2024-11-28 04:51:54,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:54,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:51:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:54,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:51:54,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:51:54,789 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) [2024-11-28 04:51:55,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:55,117 INFO L93 Difference]: Finished difference Result 769 states and 1085 transitions. [2024-11-28 04:51:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:51:55,118 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 [2024-11-28 04:51:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:55,120 INFO L225 Difference]: With dead ends: 769 [2024-11-28 04:51:55,120 INFO L226 Difference]: Without dead ends: 558 [2024-11-28 04:51:55,121 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 [2024-11-28 04:51:55,121 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 [2024-11-28 04:51:55,122 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] [2024-11-28 04:51:55,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-28 04:51:55,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 545. [2024-11-28 04:51:55,177 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) [2024-11-28 04:51:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 762 transitions. [2024-11-28 04:51:55,179 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 762 transitions. Word has length 104 [2024-11-28 04:51:55,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:55,180 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 762 transitions. [2024-11-28 04:51:55,180 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) [2024-11-28 04:51:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 762 transitions. [2024-11-28 04:51:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:51:55,181 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:55,181 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] [2024-11-28 04:51:55,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:51:55,181 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:55,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:55,182 INFO L85 PathProgramCache]: Analyzing trace with hash -710127411, now seen corresponding path program 1 times [2024-11-28 04:51:55,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:55,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412156819] [2024-11-28 04:51:55,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:55,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:56,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:56,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412156819] [2024-11-28 04:51:56,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412156819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:56,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:56,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:51:56,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687016241] [2024-11-28 04:51:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:56,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:51:56,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:56,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:51:56,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:51:56,716 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) [2024-11-28 04:51:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:57,994 INFO L93 Difference]: Finished difference Result 1097 states and 1528 transitions. [2024-11-28 04:51:57,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:51:57,994 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 [2024-11-28 04:51:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:57,998 INFO L225 Difference]: With dead ends: 1097 [2024-11-28 04:51:57,999 INFO L226 Difference]: Without dead ends: 606 [2024-11-28 04:51:58,001 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 [2024-11-28 04:51:58,001 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:58,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1063 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:51:58,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-28 04:51:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 547. [2024-11-28 04:51:58,076 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) [2024-11-28 04:51:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 765 transitions. [2024-11-28 04:51:58,079 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 765 transitions. Word has length 104 [2024-11-28 04:51:58,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:58,079 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 765 transitions. [2024-11-28 04:51:58,079 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) [2024-11-28 04:51:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 765 transitions. [2024-11-28 04:51:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:51:58,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:58,080 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] [2024-11-28 04:51:58,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:51:58,081 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:51:58,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash 518930393, now seen corresponding path program 1 times [2024-11-28 04:51:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:58,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061903866] [2024-11-28 04:51:58,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:51:59,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:59,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061903866] [2024-11-28 04:51:59,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061903866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:59,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:59,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:51:59,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390909069] [2024-11-28 04:51:59,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:59,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:51:59,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:59,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:51:59,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:51:59,066 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) [2024-11-28 04:52:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:00,379 INFO L93 Difference]: Finished difference Result 1342 states and 1860 transitions. [2024-11-28 04:52:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:52:00,380 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 [2024-11-28 04:52:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:00,383 INFO L225 Difference]: With dead ends: 1342 [2024-11-28 04:52:00,383 INFO L226 Difference]: Without dead ends: 849 [2024-11-28 04:52:00,385 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 [2024-11-28 04:52:00,385 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 [2024-11-28 04:52:00,387 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] [2024-11-28 04:52:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-28 04:52:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 554. [2024-11-28 04:52:00,448 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) [2024-11-28 04:52:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2024-11-28 04:52:00,450 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 105 [2024-11-28 04:52:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:00,451 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2024-11-28 04:52:00,451 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) [2024-11-28 04:52:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2024-11-28 04:52:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:52:00,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:00,452 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] [2024-11-28 04:52:00,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 04:52:00,454 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:00,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:00,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1562954717, now seen corresponding path program 1 times [2024-11-28 04:52:00,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:00,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271072362] [2024-11-28 04:52:00,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:00,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:00,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:00,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271072362] [2024-11-28 04:52:00,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271072362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:00,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:00,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:52:00,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498648367] [2024-11-28 04:52:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:00,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:52:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:00,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:00,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:00,863 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) [2024-11-28 04:52:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:01,506 INFO L93 Difference]: Finished difference Result 1044 states and 1460 transitions. [2024-11-28 04:52:01,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:52:01,507 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 [2024-11-28 04:52:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:01,509 INFO L225 Difference]: With dead ends: 1044 [2024-11-28 04:52:01,509 INFO L226 Difference]: Without dead ends: 680 [2024-11-28 04:52:01,510 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 [2024-11-28 04:52:01,511 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:01,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 847 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:52:01,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-28 04:52:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 571. [2024-11-28 04:52:01,566 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) [2024-11-28 04:52:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 802 transitions. [2024-11-28 04:52:01,568 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 802 transitions. Word has length 105 [2024-11-28 04:52:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:01,569 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 802 transitions. [2024-11-28 04:52:01,569 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) [2024-11-28 04:52:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 802 transitions. [2024-11-28 04:52:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:52:01,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:01,570 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] [2024-11-28 04:52:01,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 04:52:01,570 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:01,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:01,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1452148901, now seen corresponding path program 1 times [2024-11-28 04:52:01,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:01,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510885292] [2024-11-28 04:52:01,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:03,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:03,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510885292] [2024-11-28 04:52:03,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510885292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:03,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:03,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:52:03,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655258487] [2024-11-28 04:52:03,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:03,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:52:03,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:03,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:03,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:03,076 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) [2024-11-28 04:52:03,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:03,746 INFO L93 Difference]: Finished difference Result 963 states and 1357 transitions. [2024-11-28 04:52:03,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:52:03,747 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 [2024-11-28 04:52:03,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:03,749 INFO L225 Difference]: With dead ends: 963 [2024-11-28 04:52:03,749 INFO L226 Difference]: Without dead ends: 585 [2024-11-28 04:52:03,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:52:03,750 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 224 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2024-11-28 04:52:03,750 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] [2024-11-28 04:52:03,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-28 04:52:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 574. [2024-11-28 04:52:03,805 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) [2024-11-28 04:52:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 805 transitions. [2024-11-28 04:52:03,808 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 805 transitions. Word has length 105 [2024-11-28 04:52:03,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:03,808 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 805 transitions. [2024-11-28 04:52:03,808 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) [2024-11-28 04:52:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 805 transitions. [2024-11-28 04:52:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:52:03,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:03,810 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] [2024-11-28 04:52:03,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 04:52:03,810 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:03,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:03,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1326025307, now seen corresponding path program 1 times [2024-11-28 04:52:03,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:03,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679211497] [2024-11-28 04:52:03,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:03,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:03,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:03,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679211497] [2024-11-28 04:52:03,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679211497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:03,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:03,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156198502] [2024-11-28 04:52:03,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:03,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:03,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:03,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:03,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:03,909 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) [2024-11-28 04:52:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:03,966 INFO L93 Difference]: Finished difference Result 1097 states and 1543 transitions. [2024-11-28 04:52:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:03,966 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 [2024-11-28 04:52:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:03,969 INFO L225 Difference]: With dead ends: 1097 [2024-11-28 04:52:03,969 INFO L226 Difference]: Without dead ends: 577 [2024-11-28 04:52:03,970 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 [2024-11-28 04:52:03,971 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 [2024-11-28 04:52:03,971 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] [2024-11-28 04:52:03,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-28 04:52:04,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-28 04:52:04,021 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) [2024-11-28 04:52:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 808 transitions. [2024-11-28 04:52:04,023 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 808 transitions. Word has length 106 [2024-11-28 04:52:04,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:04,023 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 808 transitions. [2024-11-28 04:52:04,023 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) [2024-11-28 04:52:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 808 transitions. [2024-11-28 04:52:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:52:04,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:04,024 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] [2024-11-28 04:52:04,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 04:52:04,025 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:04,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:04,025 INFO L85 PathProgramCache]: Analyzing trace with hash 721618541, now seen corresponding path program 1 times [2024-11-28 04:52:04,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:04,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892570262] [2024-11-28 04:52:04,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:04,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:06,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:06,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892570262] [2024-11-28 04:52:06,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892570262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:06,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:06,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:52:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47801191] [2024-11-28 04:52:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:06,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:52:06,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:06,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:52:06,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:52:06,728 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) [2024-11-28 04:52:07,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:07,658 INFO L93 Difference]: Finished difference Result 586 states and 817 transitions. [2024-11-28 04:52:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:52:07,659 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 [2024-11-28 04:52:07,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:07,660 INFO L225 Difference]: With dead ends: 586 [2024-11-28 04:52:07,660 INFO L226 Difference]: Without dead ends: 584 [2024-11-28 04:52:07,661 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 [2024-11-28 04:52:07,661 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 [2024-11-28 04:52:07,661 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] [2024-11-28 04:52:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-28 04:52:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 580. [2024-11-28 04:52:07,716 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) [2024-11-28 04:52:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 811 transitions. [2024-11-28 04:52:07,718 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 811 transitions. Word has length 106 [2024-11-28 04:52:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:07,719 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 811 transitions. [2024-11-28 04:52:07,719 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) [2024-11-28 04:52:07,719 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 811 transitions. [2024-11-28 04:52:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:52:07,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:07,721 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] [2024-11-28 04:52:07,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 04:52:07,721 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:07,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:07,721 INFO L85 PathProgramCache]: Analyzing trace with hash 723465583, now seen corresponding path program 1 times [2024-11-28 04:52:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:07,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960065575] [2024-11-28 04:52:07,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:07,828 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:52:08,014 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:52:08,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:52:08,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 04:52:08,020 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] [2024-11-28 04:52:08,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:52:08,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:52:08 BoogieIcfgContainer [2024-11-28 04:52:08,247 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:52:08,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:52:08,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:52:08,248 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:52:08,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:13" (3/4) ... [2024-11-28 04:52:08,252 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:52:08,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:52:08,254 INFO L158 Benchmark]: Toolchain (without parser) took 56532.32ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 106.5MB in the end (delta: 24.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-28 04:52:08,254 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:08,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.56ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 115.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:52:08,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.28ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 111.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:08,256 INFO L158 Benchmark]: Boogie Preprocessor took 95.39ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:08,256 INFO L158 Benchmark]: RCFGBuilder took 1024.25ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 72.3MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:52:08,258 INFO L158 Benchmark]: TraceAbstraction took 54825.03ms. Allocated memory is still 167.8MB. Free memory was 71.6MB in the beginning and 106.7MB in the end (delta: -35.1MB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. [2024-11-28 04:52:08,258 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 167.8MB. Free memory was 106.7MB in the beginning and 106.5MB in the end (delta: 285.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:08,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.56ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 115.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.28ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 111.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.39ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1024.25ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 72.3MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 54825.03ms. Allocated memory is still 167.8MB. Free memory was 71.6MB in the beginning and 106.7MB in the end (delta: -35.1MB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 167.8MB. Free memory was 106.7MB in the beginning and 106.5MB in the end (delta: 285.8kB). Peak memory consumption was 8.4MB. 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 104, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 102, 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: 54.5s, 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, 13.8s 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, 1.6s SatisfiabilityAnalysisTime, 29.0s 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 [2024-11-28 04:52:08,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 04:52:11,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:52:11,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:52:11,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:52:11,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:52:11,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:52:11,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:52:11,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:52:11,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:52:11,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:52:11,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:52:11,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:52:11,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:52:11,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:52:11,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:52:11,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:52:11,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:52:11,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:52:11,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:52:11,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:52:11,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:52:11,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:52:11,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:52:11,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:52:11,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:52:11,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:11,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:11,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:52:11,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:52:11,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:52:11,223 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_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:52:11,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:52:11,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:52:11,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:52:11,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:52:11,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:52:11,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:52:14,782 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/45460b12f/6801a812501c416aa7d797cda9e84b74/FLAG21ceed1f3 [2024-11-28 04:52:15,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:52:15,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:52:15,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/45460b12f/6801a812501c416aa7d797cda9e84b74/FLAG21ceed1f3 [2024-11-28 04:52:15,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/data/45460b12f/6801a812501c416aa7d797cda9e84b74 [2024-11-28 04:52:15,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:52:15,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:52:15,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:15,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:52:15,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:52:15,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db2b89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15, skipping insertion in model container [2024-11-28 04:52:15,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:52:15,378 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_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-28 04:52:15,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:15,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:52:15,518 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_52b57fe2-d858-4cf2-94f7-26f95902899e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-11-28 04:52:15,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:15,599 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:52:15,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15 WrapperNode [2024-11-28 04:52:15,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:15,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:15,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:52:15,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:52:15,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,666 INFO L138 Inliner]: procedures = 37, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2024-11-28 04:52:15,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:15,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:52:15,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:52:15,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:52:15,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,714 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]. [2024-11-28 04:52:15,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:52:15,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:52:15,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:52:15,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:52:15,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (1/1) ... [2024-11-28 04:52:15,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:15,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:15,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:52:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:52:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:52:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 04:52:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 04:52:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 04:52:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-28 04:52:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-28 04:52:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:52:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:52:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:52:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:52:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:52:16,040 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:52:16,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:52:24,106 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-28 04:52:24,106 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:52:24,147 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:52:24,147 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:52:24,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:24 BoogieIcfgContainer [2024-11-28 04:52:24,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:52:24,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:52:24,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:52:24,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:52:24,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:52:15" (1/3) ... [2024-11-28 04:52:24,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1565972d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:24, skipping insertion in model container [2024-11-28 04:52:24,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:15" (2/3) ... [2024-11-28 04:52:24,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1565972d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:24, skipping insertion in model container [2024-11-28 04:52:24,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:24" (3/3) ... [2024-11-28 04:52:24,158 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-11-28 04:52:24,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:52:24,179 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. [2024-11-28 04:52:24,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:52:24,271 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;@6a890271, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:52:24,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:52:24,278 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) [2024-11-28 04:52:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:24,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:24,292 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] [2024-11-28 04:52:24,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:24,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:24,304 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-11-28 04:52:24,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:24,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107790491] [2024-11-28 04:52:24,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:24,324 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 [2024-11-28 04:52:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:24,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:24,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:24,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:52:24,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-28 04:52:24,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:24,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:24,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107790491] [2024-11-28 04:52:24,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107790491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:24,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:52:24,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793384328] [2024-11-28 04:52:24,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:24,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:52:24,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:24,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:52:24,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:52:24,936 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) [2024-11-28 04:52:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:24,965 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-11-28 04:52:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:52:24,967 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 [2024-11-28 04:52:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:24,974 INFO L225 Difference]: With dead ends: 163 [2024-11-28 04:52:24,974 INFO L226 Difference]: Without dead ends: 81 [2024-11-28 04:52:24,977 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 [2024-11-28 04:52:24,982 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 [2024-11-28 04:52:24,983 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] [2024-11-28 04:52:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-28 04:52:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-28 04:52:25,019 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) [2024-11-28 04:52:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-28 04:52:25,026 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-11-28 04:52:25,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:25,026 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-28 04:52:25,027 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) [2024-11-28 04:52:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-28 04:52:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:25,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:25,030 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] [2024-11-28 04:52:25,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:25,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:25,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:25,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:25,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-11-28 04:52:25,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:25,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203823047] [2024-11-28 04:52:25,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:25,234 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 [2024-11-28 04:52:25,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:25,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:25,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 04:52:25,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:25,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:25,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203823047] [2024-11-28 04:52:25,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203823047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:25,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:25,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:52:25,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734674149] [2024-11-28 04:52:25,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:25,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:52:25,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:25,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:52:25,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:52:25,790 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) [2024-11-28 04:52:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:25,878 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-11-28 04:52:25,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:52:25,879 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 [2024-11-28 04:52:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:25,881 INFO L225 Difference]: With dead ends: 161 [2024-11-28 04:52:25,881 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 04:52:25,882 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 [2024-11-28 04:52:25,883 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 04:52:25,883 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] [2024-11-28 04:52:25,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 04:52:25,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-28 04:52:25,892 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) [2024-11-28 04:52:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-28 04:52:25,894 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-11-28 04:52:25,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:25,896 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-28 04:52:25,896 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) [2024-11-28 04:52:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-28 04:52:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:25,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:25,900 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] [2024-11-28 04:52:25,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:26,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:26,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:26,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-11-28 04:52:26,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:26,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331578417] [2024-11-28 04:52:26,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:26,103 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 [2024-11-28 04:52:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:26,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:26,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:26,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:26,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:26,576 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 [2024-11-28 04:52:26,660 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 [2024-11-28 04:52:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:26,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:26,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:26,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331578417] [2024-11-28 04:52:26,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331578417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:26,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:26,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:52:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859030796] [2024-11-28 04:52:26,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:26,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:52:26,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:26,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:52:26,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:52:26,717 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) [2024-11-28 04:52:29,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:31,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:33,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:35,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:37,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:39,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:41,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:42,832 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 [] [2024-11-28 04:52:42,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:42,987 INFO L93 Difference]: Finished difference Result 199 states and 281 transitions. [2024-11-28 04:52:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:52:42,993 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 [2024-11-28 04:52:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:42,998 INFO L225 Difference]: With dead ends: 199 [2024-11-28 04:52:42,998 INFO L226 Difference]: Without dead ends: 119 [2024-11-28 04:52:42,998 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 [2024-11-28 04:52:43,002 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 44 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s 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, 16.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:43,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 336 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2024-11-28 04:52:43,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-28 04:52:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 89. [2024-11-28 04:52:43,013 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) [2024-11-28 04:52:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 125 transitions. [2024-11-28 04:52:43,016 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 125 transitions. Word has length 92 [2024-11-28 04:52:43,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:43,020 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 125 transitions. [2024-11-28 04:52:43,020 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) [2024-11-28 04:52:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-11-28 04:52:43,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:43,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:43,022 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] [2024-11-28 04:52:43,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:43,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:43,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:43,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:43,224 INFO L85 PathProgramCache]: Analyzing trace with hash 941502738, now seen corresponding path program 1 times [2024-11-28 04:52:43,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:43,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070454933] [2024-11-28 04:52:43,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:43,225 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 [2024-11-28 04:52:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:43,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:43,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:43,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:43,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:43,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:43,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:43,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070454933] [2024-11-28 04:52:43,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070454933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:43,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:43,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:52:43,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508442056] [2024-11-28 04:52:43,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:43,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:52:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:43,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:52:43,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:52:43,688 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) [2024-11-28 04:52:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:43,828 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-28 04:52:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:52:43,829 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 [2024-11-28 04:52:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:43,830 INFO L225 Difference]: With dead ends: 182 [2024-11-28 04:52:43,830 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 04:52:43,831 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 [2024-11-28 04:52:43,832 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 [2024-11-28 04:52:43,832 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] [2024-11-28 04:52:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 04:52:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-28 04:52:43,849 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) [2024-11-28 04:52:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2024-11-28 04:52:43,852 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 92 [2024-11-28 04:52:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:43,853 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2024-11-28 04:52:43,853 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) [2024-11-28 04:52:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2024-11-28 04:52:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:43,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:43,858 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] [2024-11-28 04:52:43,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:44,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:44,059 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:44,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:44,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1578457196, now seen corresponding path program 1 times [2024-11-28 04:52:44,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:44,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325712024] [2024-11-28 04:52:44,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:44,061 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 [2024-11-28 04:52:44,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:44,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:44,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:44,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:52:44,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 04:52:44,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:44,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:44,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325712024] [2024-11-28 04:52:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325712024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:44,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:44,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:52:44,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949395289] [2024-11-28 04:52:44,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:44,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:52:44,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:44,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:52:44,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:52:44,514 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) [2024-11-28 04:52:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:44,701 INFO L93 Difference]: Finished difference Result 190 states and 263 transitions. [2024-11-28 04:52:44,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:52:44,702 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 [2024-11-28 04:52:44,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:44,704 INFO L225 Difference]: With dead ends: 190 [2024-11-28 04:52:44,704 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 04:52:44,705 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 [2024-11-28 04:52:44,706 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:44,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 616 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:52:44,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 04:52:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-28 04:52:44,713 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) [2024-11-28 04:52:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2024-11-28 04:52:44,715 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 92 [2024-11-28 04:52:44,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:44,716 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-11-28 04:52:44,716 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) [2024-11-28 04:52:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2024-11-28 04:52:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 04:52:44,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:44,718 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] [2024-11-28 04:52:44,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:44,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:44,919 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:44,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:44,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1576610154, now seen corresponding path program 1 times [2024-11-28 04:52:44,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:44,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811152923] [2024-11-28 04:52:44,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:44,920 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 [2024-11-28 04:52:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:44,922 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:44,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:45,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:45,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:45,647 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 [2024-11-28 04:52:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:52:45,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:45,716 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811152923] [2024-11-28 04:52:45,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811152923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:45,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:45,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:52:45,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209174752] [2024-11-28 04:52:45,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:45,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:52:45,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:45,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:52:45,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:52:45,718 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) [2024-11-28 04:52:48,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:50,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:52,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:54,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:54,415 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2024-11-28 04:52:54,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:52:54,417 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 [2024-11-28 04:52:54,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:54,418 INFO L225 Difference]: With dead ends: 192 [2024-11-28 04:52:54,418 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 04:52:54,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:52:54,422 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 89 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s 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, 8.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:54,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 329 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-28 04:52:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 04:52:54,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-28 04:52:54,438 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) [2024-11-28 04:52:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2024-11-28 04:52:54,443 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 92 [2024-11-28 04:52:54,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:54,444 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2024-11-28 04:52:54,444 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) [2024-11-28 04:52:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2024-11-28 04:52:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:52:54,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:54,446 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] [2024-11-28 04:52:54,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:54,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:54,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:54,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:54,651 INFO L85 PathProgramCache]: Analyzing trace with hash 549285136, now seen corresponding path program 1 times [2024-11-28 04:52:54,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:52:54,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221433979] [2024-11-28 04:52:54,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:54,652 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 [2024-11-28 04:52:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:52:54,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:52:54,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:52:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:55,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:55,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:55,420 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 [2024-11-28 04:52:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 04:52:55,488 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:52:55,488 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:52:55,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221433979] [2024-11-28 04:52:55,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221433979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:55,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:55,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:52:55,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853550289] [2024-11-28 04:52:55,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:55,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:52:55,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:52:55,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:52:55,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:52:55,491 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) [2024-11-28 04:52:58,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:00,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:03,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:03,715 INFO L93 Difference]: Finished difference Result 191 states and 261 transitions. [2024-11-28 04:53:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:53:03,717 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 [2024-11-28 04:53:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:03,718 INFO L225 Difference]: With dead ends: 191 [2024-11-28 04:53:03,718 INFO L226 Difference]: Without dead ends: 97 [2024-11-28 04:53:03,719 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 [2024-11-28 04:53:03,719 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s 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, 8.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:03,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 325 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-28 04:53:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-28 04:53:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-28 04:53:03,727 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) [2024-11-28 04:53:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-11-28 04:53:03,729 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 94 [2024-11-28 04:53:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:03,730 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-11-28 04:53:03,730 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) [2024-11-28 04:53:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-11-28 04:53:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:53:03,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:03,732 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] [2024-11-28 04:53:03,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:53:03,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:53:03,933 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:03,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:03,933 INFO L85 PathProgramCache]: Analyzing trace with hash -32472104, now seen corresponding path program 1 times [2024-11-28 04:53:03,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:53:03,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876688835] [2024-11-28 04:53:03,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:03,934 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 [2024-11-28 04:53:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:53:03,936 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:53:03,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:53:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:04,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:53:04,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:53:04,686 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 [2024-11-28 04:53:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:53:04,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:53:05,099 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 [2024-11-28 04:53:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 04:53:05,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:53:05,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876688835] [2024-11-28 04:53:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876688835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:53:05,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:53:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 04:53:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613214746] [2024-11-28 04:53:05,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:53:05,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:53:05,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:53:05,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:53:05,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:53:05,174 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) [2024-11-28 04:53:09,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:11,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:13,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:15,300 WARN L539 Checker$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 [] [2024-11-28 04:53:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:15,540 INFO L93 Difference]: Finished difference Result 200 states and 270 transitions. [2024-11-28 04:53:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:53:15,541 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 [2024-11-28 04:53:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:15,542 INFO L225 Difference]: With dead ends: 200 [2024-11-28 04:53:15,543 INFO L226 Difference]: Without dead ends: 97 [2024-11-28 04:53:15,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:53:15,544 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 83 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s 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, 10.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:15,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 534 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-28 04:53:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-28 04:53:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-28 04:53:15,552 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) [2024-11-28 04:53:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-11-28 04:53:15,554 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 96 [2024-11-28 04:53:15,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:15,554 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-11-28 04:53:15,555 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) [2024-11-28 04:53:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-11-28 04:53:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:53:15,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:15,556 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] [2024-11-28 04:53:15,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:53:15,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:53:15,757 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:15,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash 320616278, now seen corresponding path program 1 times [2024-11-28 04:53:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:53:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396029938] [2024-11-28 04:53:15,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:15,758 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 [2024-11-28 04:53:15,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:53:15,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:53:15,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:53:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:16,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:53:16,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:53:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:53:16,247 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 [2024-11-28 04:53:16,602 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 [2024-11-28 04:53:17,745 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 [2024-11-28 04:53:18,463 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 [2024-11-28 04:53:19,075 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 [2024-11-28 04:53:19,741 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 [2024-11-28 04:53:20,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:53:20,420 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 [2024-11-28 04:53:25,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:53:25,166 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 [2024-11-28 04:53:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:53:25,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:53:33,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:53:33,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396029938] [2024-11-28 04:53:33,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396029938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:53:33,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1752624101] [2024-11-28 04:53:33,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:33,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:53:33,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:53:33,897 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:53:33,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57fe2-d858-4cf2-94f7-26f95902899e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-28 04:53:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:35,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 04:53:35,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:53:38,709 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-28 04:53:38,710 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 [2024-11-28 04:53:39,132 INFO L349 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2024-11-28 04:53:39,132 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 [2024-11-28 04:53:40,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:53:40,343 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 [2024-11-28 04:53:40,471 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 [2024-11-28 04:53:41,015 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 [2024-11-28 04:53:42,400 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 [2024-11-28 04:53:42,466 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 [2024-11-28 04:53:42,918 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 [2024-11-28 04:53:42,956 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 [2024-11-28 04:53:43,074 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 [2024-11-28 04:53:44,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:53:44,394 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