./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd --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 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:06:34,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:06:34,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:06:34,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:06:34,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:06:34,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:06:34,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:06:34,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:06:34,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:06:34,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:06:34,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:06:34,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:06:34,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:06:34,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:06:34,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:06:34,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:06:34,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:06:34,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:06:34,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:06:34,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:06:34,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:06:34,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:06:34,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:06:34,530 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_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd 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 -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2024-11-13 16:06:34,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:06:34,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:06:34,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:06:34,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:06:34,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:06:34,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i Unable to find full path for "g++" [2024-11-13 16:06:36,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:06:37,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:06:37,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-13 16:06:37,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/15f446721/bb0242d71f3b40a7b9080321086d2f61/FLAGfa8062751 [2024-11-13 16:06:37,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/15f446721/bb0242d71f3b40a7b9080321086d2f61 [2024-11-13 16:06:37,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:06:37,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:06:37,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:06:37,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:06:37,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:06:37,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5deb57dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37, skipping insertion in model container [2024-11-13 16:06:37,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:06:37,408 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_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-13 16:06:37,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:06:37,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:06:37,494 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_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-13 16:06:37,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:06:37,567 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:06:37,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37 WrapperNode [2024-11-13 16:06:37,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:06:37,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:06:37,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:06:37,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:06:37,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,633 INFO L138 Inliner]: procedures = 30, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 535 [2024-11-13 16:06:37,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:06:37,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:06:37,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:06:37,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:06:37,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,678 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-13 16:06:37,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:06:37,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:06:37,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:06:37,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:06:37,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (1/1) ... [2024-11-13 16:06:37,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:06:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:37,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:06:37,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:06:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:06:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:06:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:06:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:06:37,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:06:37,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:06:38,654 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-13 16:06:38,654 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:06:38,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:06:38,672 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:06:38,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:06:38 BoogieIcfgContainer [2024-11-13 16:06:38,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:06:38,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:06:38,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:06:38,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:06:38,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:06:37" (1/3) ... [2024-11-13 16:06:38,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6fa857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:06:38, skipping insertion in model container [2024-11-13 16:06:38,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:37" (2/3) ... [2024-11-13 16:06:38,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6fa857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:06:38, skipping insertion in model container [2024-11-13 16:06:38,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:06:38" (3/3) ... [2024-11-13 16:06:38,685 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2024-11-13 16:06:38,707 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:06:38,710 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-72.i that has 2 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:06:38,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:06:38,811 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;@13894c03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:06:38,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:06:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 16:06:38,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:38,840 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:38,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:38,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:38,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1843027769, now seen corresponding path program 1 times [2024-11-13 16:06:38,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:38,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396870440] [2024-11-13 16:06:38,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:38,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:06:39,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:39,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396870440] [2024-11-13 16:06:39,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396870440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:39,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:39,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:06:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713430008] [2024-11-13 16:06:39,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:39,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:06:39,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:06:39,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:06:39,619 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:06:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:39,682 INFO L93 Difference]: Finished difference Result 249 states and 385 transitions. [2024-11-13 16:06:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:06:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-13 16:06:39,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:39,701 INFO L225 Difference]: With dead ends: 249 [2024-11-13 16:06:39,701 INFO L226 Difference]: Without dead ends: 124 [2024-11-13 16:06:39,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:06:39,714 INFO L432 NwaCegarLoop]: 180 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, 180 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 [2024-11-13 16:06:39,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-13 16:06:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-13 16:06:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2024-11-13 16:06:39,764 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 149 [2024-11-13 16:06:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:39,764 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2024-11-13 16:06:39,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:06:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2024-11-13 16:06:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 16:06:39,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:39,769 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:39,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:06:39,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:39,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:39,770 INFO L85 PathProgramCache]: Analyzing trace with hash -736082397, now seen corresponding path program 1 times [2024-11-13 16:06:39,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:39,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252669837] [2024-11-13 16:06:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:39,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:06:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252669837] [2024-11-13 16:06:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252669837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:06:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142041968] [2024-11-13 16:06:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:40,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:06:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:40,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:06:40,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:40,611 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:40,695 INFO L93 Difference]: Finished difference Result 247 states and 360 transitions. [2024-11-13 16:06:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:06:40,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-13 16:06:40,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:40,699 INFO L225 Difference]: With dead ends: 247 [2024-11-13 16:06:40,699 INFO L226 Difference]: Without dead ends: 126 [2024-11-13 16:06:40,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:40,701 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:40,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-13 16:06:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-13 16:06:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-13 16:06:40,719 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 149 [2024-11-13 16:06:40,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:40,722 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-13 16:06:40,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-13 16:06:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:06:40,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:40,729 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:40,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:06:40,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:40,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:40,730 INFO L85 PathProgramCache]: Analyzing trace with hash -278152210, now seen corresponding path program 1 times [2024-11-13 16:06:40,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:40,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765795355] [2024-11-13 16:06:40,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:06:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765795355] [2024-11-13 16:06:41,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765795355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:41,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:41,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:06:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195897902] [2024-11-13 16:06:41,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:41,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:06:41,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:06:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:41,159 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:41,224 INFO L93 Difference]: Finished difference Result 252 states and 365 transitions. [2024-11-13 16:06:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:06:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:06:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:41,231 INFO L225 Difference]: With dead ends: 252 [2024-11-13 16:06:41,231 INFO L226 Difference]: Without dead ends: 129 [2024-11-13 16:06:41,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:41,236 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 520 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 [2024-11-13 16:06:41,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-13 16:06:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-13 16:06:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 184 transitions. [2024-11-13 16:06:41,254 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 184 transitions. Word has length 151 [2024-11-13 16:06:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:41,254 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 184 transitions. [2024-11-13 16:06:41,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2024-11-13 16:06:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:06:41,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:41,258 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:41,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:06:41,259 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:41,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:41,259 INFO L85 PathProgramCache]: Analyzing trace with hash 401906160, now seen corresponding path program 1 times [2024-11-13 16:06:41,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:41,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755345635] [2024-11-13 16:06:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:06:41,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:41,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755345635] [2024-11-13 16:06:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755345635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:41,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:06:41,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484749123] [2024-11-13 16:06:41,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:41,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:06:41,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:41,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:06:41,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:41,733 INFO L87 Difference]: Start difference. First operand 128 states and 184 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:41,774 INFO L93 Difference]: Finished difference Result 256 states and 369 transitions. [2024-11-13 16:06:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:06:41,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:06:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:41,777 INFO L225 Difference]: With dead ends: 256 [2024-11-13 16:06:41,777 INFO L226 Difference]: Without dead ends: 131 [2024-11-13 16:06:41,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:41,783 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:41,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 521 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-13 16:06:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-11-13 16:06:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 186 transitions. [2024-11-13 16:06:41,797 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 186 transitions. Word has length 151 [2024-11-13 16:06:41,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:41,799 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 186 transitions. [2024-11-13 16:06:41,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2024-11-13 16:06:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:06:41,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:41,805 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:41,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:06:41,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:41,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:41,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2118053774, now seen corresponding path program 1 times [2024-11-13 16:06:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837119967] [2024-11-13 16:06:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:06:42,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:42,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837119967] [2024-11-13 16:06:42,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837119967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:42,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:42,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:06:42,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449296454] [2024-11-13 16:06:42,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:42,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:06:42,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:42,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:06:42,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:42,161 INFO L87 Difference]: Start difference. First operand 130 states and 186 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:42,215 INFO L93 Difference]: Finished difference Result 260 states and 373 transitions. [2024-11-13 16:06:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:06:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:06:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:42,218 INFO L225 Difference]: With dead ends: 260 [2024-11-13 16:06:42,218 INFO L226 Difference]: Without dead ends: 133 [2024-11-13 16:06:42,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:06:42,223 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 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 [2024-11-13 16:06:42,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-13 16:06:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-11-13 16:06:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-11-13 16:06:42,240 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 151 [2024-11-13 16:06:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:42,242 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-11-13 16:06:42,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:06:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-11-13 16:06:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:06:42,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:42,245 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:42,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:06:42,245 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:42,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:42,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2116206732, now seen corresponding path program 1 times [2024-11-13 16:06:42,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:42,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26302902] [2024-11-13 16:06:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:42,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:06:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:06:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:06:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-13 16:06:44,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:44,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26302902] [2024-11-13 16:06:44,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26302902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:06:44,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614235803] [2024-11-13 16:06:44,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:44,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:44,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:44,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:06:44,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:06:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:45,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:06:45,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:06:45,172 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,232 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,292 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,357 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,433 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,482 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,529 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 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 16:06:45,581 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 21 treesize of output 9 [2024-11-13 16:06:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 16:06:45,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:06:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-13 16:06:46,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614235803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:06:46,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:06:46,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-13 16:06:46,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710966638] [2024-11-13 16:06:46,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:06:46,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:06:46,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:46,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:06:46,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:06:46,166 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 14 states, 11 states have (on average 10.454545454545455) internal successors, (115), 14 states have internal predecessors, (115), 7 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (46), 4 states have call predecessors, (46), 7 states have call successors, (46) [2024-11-13 16:06:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:47,501 INFO L93 Difference]: Finished difference Result 269 states and 380 transitions. [2024-11-13 16:06:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:06:47,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 10.454545454545455) internal successors, (115), 14 states have internal predecessors, (115), 7 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (46), 4 states have call predecessors, (46), 7 states have call successors, (46) Word has length 151 [2024-11-13 16:06:47,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:47,503 INFO L225 Difference]: With dead ends: 269 [2024-11-13 16:06:47,503 INFO L226 Difference]: Without dead ends: 140 [2024-11-13 16:06:47,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 327 SyntacticMatches, 9 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-13 16:06:47,505 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 359 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:47,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 515 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:06:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-13 16:06:47,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2024-11-13 16:06:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 116 states have (on average 1.3448275862068966) internal successors, (156), 116 states have internal predecessors, (156), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:06:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 190 transitions. [2024-11-13 16:06:47,529 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 190 transitions. Word has length 151 [2024-11-13 16:06:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 190 transitions. [2024-11-13 16:06:47,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 10.454545454545455) internal successors, (115), 14 states have internal predecessors, (115), 7 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (46), 4 states have call predecessors, (46), 7 states have call successors, (46) [2024-11-13 16:06:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 190 transitions. [2024-11-13 16:06:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:06:47,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:47,532 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:47,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:06:47,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:47,733 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:47,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:47,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1414606858, now seen corresponding path program 1 times [2024-11-13 16:06:47,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:47,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984740040] [2024-11-13 16:06:47,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:47,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:06:47,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:06:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:06:48,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:06:48,134 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:06:48,135 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:06:48,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:06:48,140 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:48,243 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:06:48,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:06:48 BoogieIcfgContainer [2024-11-13 16:06:48,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:06:48,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:06:48,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:06:48,249 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:06:48,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:06:38" (3/4) ... [2024-11-13 16:06:48,254 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:06:48,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:06:48,256 INFO L158 Benchmark]: Toolchain (without parser) took 11046.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 311.9MB in the end (delta: -218.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-13 16:06:48,257 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:06:48,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.34ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 76.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:06:48,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.16ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:06:48,258 INFO L158 Benchmark]: Boogie Preprocessor took 95.56ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 69.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:06:48,258 INFO L158 Benchmark]: RCFGBuilder took 942.99ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 88.8MB in the end (delta: -19.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 16:06:48,258 INFO L158 Benchmark]: TraceAbstraction took 9572.79ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.2MB in the beginning and 312.0MB in the end (delta: -223.8MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. [2024-11-13 16:06:48,259 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 352.3MB. Free memory was 312.0MB in the beginning and 311.9MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:06:48,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.34ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 76.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.16ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.56ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 69.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 942.99ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 88.8MB in the end (delta: -19.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9572.79ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.2MB in the beginning and 312.0MB in the end (delta: -223.8MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 352.3MB. Free memory was 312.0MB in the beginning and 311.9MB in the end (delta: 46.8kB). There was no memory consumed. 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 105, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 109. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 1, 0, 2, -16, -2, -10, 4, 256.4, 0.25, 100000000000.2, 50.5, 9.5, 100000000000.4, 4, 10000 }; [L61] unsigned char last_1_WrapperStruct00_var_1_1 = 1; [L62] double last_1_WrapperStruct00_var_1_15 = 256.4; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_1 [L114] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L115] EXPR WrapperStruct00.var_1_15 [L115] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L91] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L94] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L95] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L100] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L101] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L103] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] EXPR (WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L106] WrapperStruct00.var_1_17 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] EXPR (WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L108] WrapperStruct00.var_1_18 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] EXPR (WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] RET assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L110] WrapperStruct00.var_1_19 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] EXPR (WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L126] RET updateVariables() [L127] CALL step() [L66] WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L66] COND FALSE !(WrapperStruct00.var_1_9) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L69] WrapperStruct00.var_1_11 = (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))) [L70] EXPR WrapperStruct00.var_1_19 [L70] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_19 [L71] WrapperStruct00.var_1_21 = 1 [L72] WrapperStruct00.var_1_22 = 10 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_16 [L73] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L73] COND FALSE !((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) [L80] EXPR WrapperStruct00.var_1_20 [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] COND FALSE !(WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1 [L118] EXPR WrapperStruct00.var_1_1 [L118] EXPR WrapperStruct00.var_1_6 [L118] EXPR WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118-L119] return (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 7, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 2782 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1807 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 800 IncrementalHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 975 mSDtfsCounter, 800 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 525 SyntacticMatches, 9 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1204 NumberOfCodeBlocks, 1204 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 2945 SizeOfPredicates, 4 NumberOfNonLiveVariables, 560 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 4253/4352 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:06:48,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd --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 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:06:51,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:06:51,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:06:51,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:06:51,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:06:51,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:06:51,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:06:51,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:06:51,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:06:51,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:06:51,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:06:51,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:06:51,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:06:51,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:06:51,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:06:51,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:06:51,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:06:51,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:06:51,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:06:51,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:06:51,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:06:51,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:06:51,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:06:51,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:06:51,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:06:51,217 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_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd 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 -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2024-11-13 16:06:51,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:06:51,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:06:51,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:06:51,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:06:51,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:06:51,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i Unable to find full path for "g++" [2024-11-13 16:06:53,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:06:53,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:06:53,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-13 16:06:53,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/facdf0d5a/a4e4a05cac0e4db4968b11efbb1cf62e/FLAGb2aa4ccdc [2024-11-13 16:06:53,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/data/facdf0d5a/a4e4a05cac0e4db4968b11efbb1cf62e [2024-11-13 16:06:53,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:06:53,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:06:53,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:06:53,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:06:53,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:06:53,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:06:53" (1/1) ... [2024-11-13 16:06:53,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af4be2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:53, skipping insertion in model container [2024-11-13 16:06:53,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:06:53" (1/1) ... [2024-11-13 16:06:53,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:06:53,979 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_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-13 16:06:54,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:06:54,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:06:54,080 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_961bca0f-de72-4898-a530-4283cecf02b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-13 16:06:54,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:06:54,177 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:06:54,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54 WrapperNode [2024-11-13 16:06:54,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:06:54,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:06:54,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:06:54,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:06:54,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,244 INFO L138 Inliner]: procedures = 40, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 531 [2024-11-13 16:06:54,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:06:54,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:06:54,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:06:54,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:06:54,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,307 INFO L175 MemorySlicer]: Split 139 memory accesses to 2 slices as follows [2, 137]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 36 writes are split as follows [0, 36]. [2024-11-13 16:06:54,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:06:54,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:06:54,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:06:54,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:06:54,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (1/1) ... [2024-11-13 16:06:54,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:06:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:54,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:06:54,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-13 16:06:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 16:06:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 16:06:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 16:06:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 16:06:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:06:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 16:06:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 16:06:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-13 16:06:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-13 16:06:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-13 16:06:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-13 16:06:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:06:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:06:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 16:06:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 16:06:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:06:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:06:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-13 16:06:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-13 16:06:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-13 16:06:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-13 16:06:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 16:06:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 16:06:54,671 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:06:54,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:07:28,082 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-13 16:07:28,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:07:28,095 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:07:28,095 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:07:28,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:07:28 BoogieIcfgContainer [2024-11-13 16:07:28,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:07:28,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:07:28,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:07:28,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:07:28,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:06:53" (1/3) ... [2024-11-13 16:07:28,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73755e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:07:28, skipping insertion in model container [2024-11-13 16:07:28,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:06:54" (2/3) ... [2024-11-13 16:07:28,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73755e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:07:28, skipping insertion in model container [2024-11-13 16:07:28,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:07:28" (3/3) ... [2024-11-13 16:07:28,105 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2024-11-13 16:07:28,120 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:07:28,122 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-72.i that has 2 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:07:28,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:07:28,196 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;@402706ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:07:28,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:07:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 16:07:28,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:28,214 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:28,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:28,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:28,220 INFO L85 PathProgramCache]: Analyzing trace with hash 836484855, now seen corresponding path program 1 times [2024-11-13 16:07:28,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:28,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019195174] [2024-11-13 16:07:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:28,232 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 [2024-11-13 16:07:28,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:28,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:28,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:29,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:07:29,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-13 16:07:30,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:30,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:30,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019195174] [2024-11-13 16:07:30,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019195174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:30,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:30,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:07:30,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53340409] [2024-11-13 16:07:30,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:30,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:07:30,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:07:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:07:30,072 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:07:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:30,107 INFO L93 Difference]: Finished difference Result 249 states and 385 transitions. [2024-11-13 16:07:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:07:30,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-13 16:07:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:30,115 INFO L225 Difference]: With dead ends: 249 [2024-11-13 16:07:30,115 INFO L226 Difference]: Without dead ends: 124 [2024-11-13 16:07:30,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:07:30,122 INFO L432 NwaCegarLoop]: 180 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, 180 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 [2024-11-13 16:07:30,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:07:30,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-13 16:07:30,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-13 16:07:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2024-11-13 16:07:30,185 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 149 [2024-11-13 16:07:30,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:30,186 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2024-11-13 16:07:30,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:07:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2024-11-13 16:07:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 16:07:30,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:30,192 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:30,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:30,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:30,393 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:30,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:30,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1742625311, now seen corresponding path program 1 times [2024-11-13 16:07:30,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:30,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823056459] [2024-11-13 16:07:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:30,394 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 [2024-11-13 16:07:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:30,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:30,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:32,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:07:32,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-13 16:07:32,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:32,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823056459] [2024-11-13 16:07:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823056459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:32,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:07:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667083252] [2024-11-13 16:07:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:32,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:07:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:07:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:07:32,214 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:07:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:32,410 INFO L93 Difference]: Finished difference Result 247 states and 360 transitions. [2024-11-13 16:07:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:07:32,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-13 16:07:32,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:32,413 INFO L225 Difference]: With dead ends: 247 [2024-11-13 16:07:32,413 INFO L226 Difference]: Without dead ends: 126 [2024-11-13 16:07:32,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:07:32,415 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:32,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:07:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-13 16:07:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-13 16:07:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-13 16:07:32,429 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 149 [2024-11-13 16:07:32,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:32,431 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-13 16:07:32,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:07:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-13 16:07:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 16:07:32,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:32,434 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:32,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:32,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:32,635 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:32,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash 613179939, now seen corresponding path program 1 times [2024-11-13 16:07:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375280482] [2024-11-13 16:07:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:32,636 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 [2024-11-13 16:07:32,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:32,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:32,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:34,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:07:34,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:07:34,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:34,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:34,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375280482] [2024-11-13 16:07:34,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375280482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:34,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:34,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:07:34,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512017793] [2024-11-13 16:07:34,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:34,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:07:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:34,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:07:34,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:07:34,366 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:35,068 INFO L93 Difference]: Finished difference Result 251 states and 364 transitions. [2024-11-13 16:07:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:07:35,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-13 16:07:35,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:35,071 INFO L225 Difference]: With dead ends: 251 [2024-11-13 16:07:35,072 INFO L226 Difference]: Without dead ends: 128 [2024-11-13 16:07:35,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:07:35,073 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:35,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:07:35,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-13 16:07:35,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-13 16:07:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 184 transitions. [2024-11-13 16:07:35,085 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 184 transitions. Word has length 149 [2024-11-13 16:07:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:35,085 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 184 transitions. [2024-11-13 16:07:35,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2024-11-13 16:07:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:07:35,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:35,088 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:35,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 16:07:35,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:35,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:35,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:35,290 INFO L85 PathProgramCache]: Analyzing trace with hash -717170450, now seen corresponding path program 1 times [2024-11-13 16:07:35,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:35,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374992472] [2024-11-13 16:07:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:35,291 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 [2024-11-13 16:07:35,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:35,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:35,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:37,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:07:37,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:07:37,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:37,428 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:37,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374992472] [2024-11-13 16:07:37,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374992472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:37,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:37,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:07:37,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881431932] [2024-11-13 16:07:37,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:37,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:07:37,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:37,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:07:37,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:07:37,431 INFO L87 Difference]: Start difference. First operand 128 states and 184 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:37,934 INFO L93 Difference]: Finished difference Result 260 states and 375 transitions. [2024-11-13 16:07:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:07:37,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:07:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:37,940 INFO L225 Difference]: With dead ends: 260 [2024-11-13 16:07:37,941 INFO L226 Difference]: Without dead ends: 135 [2024-11-13 16:07:37,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:07:37,944 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:37,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 844 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:07:37,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-13 16:07:37,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-11-13 16:07:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2024-11-13 16:07:37,969 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 151 [2024-11-13 16:07:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:37,971 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2024-11-13 16:07:37,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2024-11-13 16:07:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:07:37,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:37,976 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:37,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 16:07:38,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:38,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:38,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash -37112080, now seen corresponding path program 1 times [2024-11-13 16:07:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:38,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997553324] [2024-11-13 16:07:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:38,178 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 [2024-11-13 16:07:38,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:38,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:39,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:07:39,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:07:40,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:40,220 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:40,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997553324] [2024-11-13 16:07:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997553324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:40,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:07:40,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406590794] [2024-11-13 16:07:40,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:40,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:07:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:07:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:07:40,223 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:41,123 INFO L93 Difference]: Finished difference Result 268 states and 381 transitions. [2024-11-13 16:07:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:07:41,124 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:07:41,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:41,126 INFO L225 Difference]: With dead ends: 268 [2024-11-13 16:07:41,126 INFO L226 Difference]: Without dead ends: 137 [2024-11-13 16:07:41,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:07:41,128 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:41,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1001 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:07:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-13 16:07:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-13 16:07:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 192 transitions. [2024-11-13 16:07:41,138 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 192 transitions. Word has length 151 [2024-11-13 16:07:41,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:41,139 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 192 transitions. [2024-11-13 16:07:41,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2024-11-13 16:07:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:07:41,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:41,142 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:41,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:41,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:41,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:41,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1737895282, now seen corresponding path program 1 times [2024-11-13 16:07:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:41,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241001890] [2024-11-13 16:07:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:41,344 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 [2024-11-13 16:07:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:41,345 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:41,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:42,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:07:42,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:07:43,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:43,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:43,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241001890] [2024-11-13 16:07:43,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241001890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:43,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:43,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:07:43,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014351975] [2024-11-13 16:07:43,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:43,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:07:43,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:43,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:07:43,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:07:43,568 INFO L87 Difference]: Start difference. First operand 136 states and 192 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:44,271 INFO L93 Difference]: Finished difference Result 272 states and 385 transitions. [2024-11-13 16:07:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:07:44,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-13 16:07:44,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:44,274 INFO L225 Difference]: With dead ends: 272 [2024-11-13 16:07:44,274 INFO L226 Difference]: Without dead ends: 139 [2024-11-13 16:07:44,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:07:44,276 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:44,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1160 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:07:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-13 16:07:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 138. [2024-11-13 16:07:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 119 states have (on average 1.3445378151260505) internal successors, (160), 119 states have internal predecessors, (160), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:07:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 194 transitions. [2024-11-13 16:07:44,290 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 194 transitions. Word has length 151 [2024-11-13 16:07:44,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:44,291 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 194 transitions. [2024-11-13 16:07:44,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:07:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 194 transitions. [2024-11-13 16:07:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 16:07:44,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:44,294 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:07:44,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 16:07:44,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:44,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:44,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:44,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1739742324, now seen corresponding path program 1 times [2024-11-13 16:07:44,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:07:44,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574225361] [2024-11-13 16:07:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:44,495 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 [2024-11-13 16:07:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:07:44,497 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:07:44,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:07:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:46,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:07:46,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:47,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:07:47,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-13 16:07:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-13 16:07:48,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:48,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:07:48,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574225361] [2024-11-13 16:07:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574225361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:48,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:07:48,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570722444] [2024-11-13 16:07:48,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:48,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:07:48,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:07:48,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:07:48,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:07:48,028 INFO L87 Difference]: Start difference. First operand 138 states and 194 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:07:50,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:55,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:59,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:03,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:12,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:19,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:23,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:24,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:25,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:29,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:34,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:38,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:42,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:46,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:50,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:54,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:58,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:02,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:05,066 INFO L93 Difference]: Finished difference Result 274 states and 386 transitions. [2024-11-13 16:09:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:09:05,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-11-13 16:09:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:05,068 INFO L225 Difference]: With dead ends: 274 [2024-11-13 16:09:05,068 INFO L226 Difference]: Without dead ends: 139 [2024-11-13 16:09:05,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:09:05,069 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 127 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:05,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 485 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 14 Unknown, 0 Unchecked, 76.8s Time] [2024-11-13 16:09:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-13 16:09:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 138. [2024-11-13 16:09:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 119 states have (on average 1.3361344537815125) internal successors, (159), 119 states have internal predecessors, (159), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:09:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 193 transitions. [2024-11-13 16:09:05,078 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 193 transitions. Word has length 151 [2024-11-13 16:09:05,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:05,079 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 193 transitions. [2024-11-13 16:09:05,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:09:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 193 transitions. [2024-11-13 16:09:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 16:09:05,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:05,081 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:05,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:09:05,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:09:05,282 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:05,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:05,282 INFO L85 PathProgramCache]: Analyzing trace with hash -309429798, now seen corresponding path program 1 times [2024-11-13 16:09:05,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:09:05,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369937107] [2024-11-13 16:09:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:05,283 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 [2024-11-13 16:09:05,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:09:05,285 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:09:05,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:09:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:06,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:09:06,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:08,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:09:08,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-13 16:09:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-13 16:09:08,864 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:09:08,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:09:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369937107] [2024-11-13 16:09:08,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369937107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:08,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:08,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:09:08,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20920609] [2024-11-13 16:09:08,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:08,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:09:08,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:09:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:09:08,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:09:08,868 INFO L87 Difference]: Start difference. First operand 138 states and 193 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:09:15,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:19,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:27,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:31,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:35,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:41,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:45,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:47,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:49,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:53,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:56,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:01,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:12,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:10:12,483 INFO L93 Difference]: Finished difference Result 273 states and 383 transitions. [2024-11-13 16:10:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:10:12,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-13 16:10:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:10:12,486 INFO L225 Difference]: With dead ends: 273 [2024-11-13 16:10:12,486 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 16:10:12,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:10:12,487 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 118 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:10:12,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 481 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 9 Unknown, 0 Unchecked, 63.4s Time] [2024-11-13 16:10:12,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 16:10:12,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2024-11-13 16:10:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:10:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 190 transitions. [2024-11-13 16:10:12,496 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 190 transitions. Word has length 153 [2024-11-13 16:10:12,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:10:12,497 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 190 transitions. [2024-11-13 16:10:12,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:10:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 190 transitions. [2024-11-13 16:10:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 16:10:12,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:10:12,500 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:10:12,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:10:12,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:10:12,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:10:12,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1482764046, now seen corresponding path program 1 times [2024-11-13 16:10:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:10:12,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046484788] [2024-11-13 16:10:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:12,701 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 [2024-11-13 16:10:12,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:10:12,703 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:10:12,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:10:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:14,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:10:14,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:10:16,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:10:16,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2024-11-13 16:10:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 16:10:16,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:10:17,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:10:17,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-11-13 16:10:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-13 16:10:18,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:10:18,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046484788] [2024-11-13 16:10:18,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046484788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:10:18,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:10:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-13 16:10:18,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911714389] [2024-11-13 16:10:18,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:10:18,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:10:18,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:10:18,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:10:18,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:10:18,053 INFO L87 Difference]: Start difference. First operand 136 states and 190 transitions. Second operand has 12 states, 11 states have (on average 10.545454545454545) internal successors, (116), 12 states have internal predecessors, (116), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-13 16:10:26,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:30,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:34,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:38,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:42,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:46,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:50,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:54,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:58,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:02,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:06,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:10,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:14,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:18,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:22,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:26,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:30,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:34,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:36,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:38,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:42,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:46,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:50,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:53,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:57,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:01,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:05,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:09,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:11,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:16,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:20,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:24,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:28,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:30,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:34,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:34,072 INFO L93 Difference]: Finished difference Result 282 states and 392 transitions. [2024-11-13 16:12:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:12:34,073 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.545454545454545) internal successors, (116), 12 states have internal predecessors, (116), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 155 [2024-11-13 16:12:34,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:34,075 INFO L225 Difference]: With dead ends: 282 [2024-11-13 16:12:34,075 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 16:12:34,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-13 16:12:34,076 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 128 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 11 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:34,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 534 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 369 Invalid, 25 Unknown, 0 Unchecked, 134.9s Time] [2024-11-13 16:12:34,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 16:12:34,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2024-11-13 16:12:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 117 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:12:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2024-11-13 16:12:34,088 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 188 transitions. Word has length 155 [2024-11-13 16:12:34,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:34,089 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 188 transitions. [2024-11-13 16:12:34,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.545454545454545) internal successors, (116), 12 states have internal predecessors, (116), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-13 16:12:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 188 transitions. [2024-11-13 16:12:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 16:12:34,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:34,092 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:34,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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)] Ended with exit code 0 [2024-11-13 16:12:34,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:12:34,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:34,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:34,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1273863220, now seen corresponding path program 1 times [2024-11-13 16:12:34,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:12:34,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156317800] [2024-11-13 16:12:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:34,294 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 [2024-11-13 16:12:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:12:34,296 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:12:34,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (11)] Waiting until timeout for monitored process [2024-11-13 16:12:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:36,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:12:36,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:12:38,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:12:38,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-13 16:12:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-13 16:12:38,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:12:38,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:12:38,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156317800] [2024-11-13 16:12:38,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156317800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:38,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:38,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:12:38,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064836222] [2024-11-13 16:12:38,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:38,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:12:38,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:12:38,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:12:38,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:12:38,199 INFO L87 Difference]: Start difference. First operand 136 states and 188 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:12:39,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:45,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:49,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:53,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:57,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:01,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:05,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:09,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:13,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:15,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:20,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:23,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:25,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:29,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:30,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:34,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:38,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:42,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:46,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:51,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:55,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:57,483 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 [] [2024-11-13 16:14:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:00,475 INFO L93 Difference]: Finished difference Result 270 states and 374 transitions. [2024-11-13 16:14:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:14:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-13 16:14:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:00,477 INFO L225 Difference]: With dead ends: 270 [2024-11-13 16:14:00,477 INFO L226 Difference]: Without dead ends: 137 [2024-11-13 16:14:00,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:14:00,478 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 107 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:00,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 466 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 14 Unknown, 0 Unchecked, 82.0s Time] [2024-11-13 16:14:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-13 16:14:00,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-13 16:14:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:14:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 187 transitions. [2024-11-13 16:14:00,486 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 187 transitions. Word has length 155 [2024-11-13 16:14:00,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:00,487 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 187 transitions. [2024-11-13 16:14:00,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:14:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2024-11-13 16:14:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:14:00,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:00,488 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:00,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:00,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:14:00,689 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:00,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:00,690 INFO L85 PathProgramCache]: Analyzing trace with hash 830403482, now seen corresponding path program 1 times [2024-11-13 16:14:00,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:00,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131903961] [2024-11-13 16:14:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:00,690 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 [2024-11-13 16:14:00,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:00,692 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:14:00,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (12)] Waiting until timeout for monitored process [2024-11-13 16:14:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:02,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:14:02,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:02,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:02,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 31 [2024-11-13 16:14:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:14:02,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:02,840 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:02,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131903961] [2024-11-13 16:14:02,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131903961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:02,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:02,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:02,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126877615] [2024-11-13 16:14:02,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:02,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:02,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:02,842 INFO L87 Difference]: Start difference. First operand 136 states and 187 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:14:05,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:14:06,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:14:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:06,935 INFO L93 Difference]: Finished difference Result 269 states and 371 transitions. [2024-11-13 16:14:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-13 16:14:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:06,938 INFO L225 Difference]: With dead ends: 269 [2024-11-13 16:14:06,938 INFO L226 Difference]: Without dead ends: 136 [2024-11-13 16:14:06,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:06,939 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:06,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 16:14:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-13 16:14:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-13 16:14:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 117 states have internal predecessors, (152), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:14:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2024-11-13 16:14:06,947 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 157 [2024-11-13 16:14:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:06,948 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2024-11-13 16:14:06,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:14:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2024-11-13 16:14:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:14:06,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:06,950 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:06,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (12)] Ended with exit code 0 [2024-11-13 16:14:07,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:14:07,150 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:07,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:07,151 INFO L85 PathProgramCache]: Analyzing trace with hash 970952092, now seen corresponding path program 1 times [2024-11-13 16:14:07,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:07,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830213833] [2024-11-13 16:14:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:07,151 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 [2024-11-13 16:14:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:07,153 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:14:07,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (13)] Waiting until timeout for monitored process [2024-11-13 16:14:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:09,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:14:09,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:09,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:14:09,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 31 [2024-11-13 16:14:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 16:14:09,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:09,163 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:14:09,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830213833] [2024-11-13 16:14:09,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830213833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:09,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:09,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:09,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317708032] [2024-11-13 16:14:09,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:09,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:09,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:14:09,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:09,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:09,166 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:14:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:09,245 INFO L93 Difference]: Finished difference Result 269 states and 369 transitions. [2024-11-13 16:14:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:09,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-13 16:14:09,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:09,247 INFO L225 Difference]: With dead ends: 269 [2024-11-13 16:14:09,247 INFO L226 Difference]: Without dead ends: 136 [2024-11-13 16:14:09,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:09,248 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:09,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:09,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-13 16:14:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-13 16:14:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.2905982905982907) internal successors, (151), 117 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 16:14:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 185 transitions. [2024-11-13 16:14:09,258 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 185 transitions. Word has length 157 [2024-11-13 16:14:09,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:09,258 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 185 transitions. [2024-11-13 16:14:09,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-13 16:14:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2024-11-13 16:14:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:14:09,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:09,260 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:09,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (13)] Ended with exit code 0 [2024-11-13 16:14:09,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:14:09,461 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:09,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1393653918, now seen corresponding path program 1 times [2024-11-13 16:14:09,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:14:09,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098312275] [2024-11-13 16:14:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:09,463 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 [2024-11-13 16:14:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:14:09,465 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:14:09,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961bca0f-de72-4898-a530-4283cecf02b6/bin/uautomizer-verify-qhAvR1uOyd/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 (14)] Waiting until timeout for monitored process