./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1 --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 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:24:23,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:24:23,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:24:23,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:24:23,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:24:23,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:24:23,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:24:23,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:24:23,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:24:23,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:24:23,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:24:23,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:24:23,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:24:23,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:24:23,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:24:23,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:24:23,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:24:23,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:24:23,992 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:24:23,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:24:23,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:23,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:23,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:24:23,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:24:23,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:24:23,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:24:23,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:24:23,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:24:23,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:24:23,994 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_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1 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 -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-12-02 07:24:24,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:24:24,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:24:24,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:24:24,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:24:24,229 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:24:24,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:26,814 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/f13f731ef/62bf9e92653a4184963b07dafaafbefa/FLAG56a6c319a [2024-12-02 07:24:27,030 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:24:27,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:27,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/f13f731ef/62bf9e92653a4184963b07dafaafbefa/FLAG56a6c319a [2024-12-02 07:24:27,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/f13f731ef/62bf9e92653a4184963b07dafaafbefa [2024-12-02 07:24:27,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:24:27,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:24:27,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:24:27,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:24:27,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:24:27,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd33142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27, skipping insertion in model container [2024-12-02 07:24:27,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:24:27,543 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_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-12-02 07:24:27,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:24:27,604 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:24:27,614 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_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-12-02 07:24:27,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:24:27,660 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:24:27,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27 WrapperNode [2024-12-02 07:24:27,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:24:27,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:24:27,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:24:27,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:24:27,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,703 INFO L138 Inliner]: procedures = 30, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-12-02 07:24:27,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:24:27,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:24:27,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:24:27,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:24:27,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,723 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 07:24:27,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:24:27,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:24:27,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:24:27,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:24:27,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (1/1) ... [2024-12-02 07:24:27,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:24:27,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:24:27,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 07:24:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 07:24:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 07:24:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:24:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:24:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 07:24:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:24:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:24:27,903 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:24:27,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:24:28,351 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-12-02 07:24:28,351 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:24:28,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:24:28,362 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:24:28,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:28 BoogieIcfgContainer [2024-12-02 07:24:28,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:24:28,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:24:28,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:24:28,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:24:28,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:24:27" (1/3) ... [2024-12-02 07:24:28,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363027d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:28, skipping insertion in model container [2024-12-02 07:24:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:27" (2/3) ... [2024-12-02 07:24:28,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363027d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:28, skipping insertion in model container [2024-12-02 07:24:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:28" (3/3) ... [2024-12-02 07:24:28,371 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:28,382 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:24:28,383 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-57.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:24:28,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:24:28,442 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;@6ffbdbd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:24:28,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:24:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 07:24:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 07:24:28,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:28,454 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:28,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:28,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1864968781, now seen corresponding path program 1 times [2024-12-02 07:24:28,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:28,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241401443] [2024-12-02 07:24:28,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 07:24:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241401443] [2024-12-02 07:24:28,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241401443] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:24:28,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234412828] [2024-12-02 07:24:28,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:24:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:24:28,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:24:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:24:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:28,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:24:29,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 07:24:29,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:29,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234412828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:29,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:24:29,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:24:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368067526] [2024-12-02 07:24:29,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:29,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:24:29,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:29,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:24:29,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:24:29,067 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 07:24:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:29,090 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-12-02 07:24:29,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:24:29,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 134 [2024-12-02 07:24:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:29,097 INFO L225 Difference]: With dead ends: 187 [2024-12-02 07:24:29,097 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 07:24:29,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:24:29,102 INFO L435 NwaCegarLoop]: 135 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, 135 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 [2024-12-02 07:24:29,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 07:24:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-12-02 07:24:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 07:24:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-12-02 07:24:29,136 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-12-02 07:24:29,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:29,136 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-12-02 07:24:29,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 07:24:29,136 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-12-02 07:24:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 07:24:29,139 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:29,139 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:29,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:24:29,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 07:24:29,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:29,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:29,341 INFO L85 PathProgramCache]: Analyzing trace with hash -367330217, now seen corresponding path program 1 times [2024-12-02 07:24:29,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:29,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239593215] [2024-12-02 07:24:29,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:29,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:30,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:30,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239593215] [2024-12-02 07:24:30,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239593215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:30,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:30,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:24:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243870757] [2024-12-02 07:24:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:30,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:24:30,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:30,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:24:30,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:24:30,285 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:30,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:30,621 INFO L93 Difference]: Finished difference Result 274 states and 400 transitions. [2024-12-02 07:24:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:24:30,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-12-02 07:24:30,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:30,624 INFO L225 Difference]: With dead ends: 274 [2024-12-02 07:24:30,624 INFO L226 Difference]: Without dead ends: 184 [2024-12-02 07:24:30,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:30,626 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:30,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:24:30,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-12-02 07:24:30,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 153. [2024-12-02 07:24:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 221 transitions. [2024-12-02 07:24:30,657 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 221 transitions. Word has length 134 [2024-12-02 07:24:30,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:30,657 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 221 transitions. [2024-12-02 07:24:30,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 221 transitions. [2024-12-02 07:24:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:24:30,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:30,660 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:30,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:24:30,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:30,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:30,661 INFO L85 PathProgramCache]: Analyzing trace with hash 686354215, now seen corresponding path program 1 times [2024-12-02 07:24:30,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:30,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338984221] [2024-12-02 07:24:30,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:30,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:30,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:30,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338984221] [2024-12-02 07:24:30,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338984221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:30,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:30,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:24:30,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504220823] [2024-12-02 07:24:30,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:30,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:24:30,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:30,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:24:30,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:24:30,847 INFO L87 Difference]: Start difference. First operand 153 states and 221 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:30,888 INFO L93 Difference]: Finished difference Result 246 states and 357 transitions. [2024-12-02 07:24:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:24:30,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:24:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:30,890 INFO L225 Difference]: With dead ends: 246 [2024-12-02 07:24:30,890 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 07:24:30,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:24:30,892 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:30,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 387 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 07:24:30,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-12-02 07:24:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 116 states have internal predecessors, (151), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 223 transitions. [2024-12-02 07:24:30,913 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 223 transitions. Word has length 141 [2024-12-02 07:24:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 223 transitions. [2024-12-02 07:24:30,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 223 transitions. [2024-12-02 07:24:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:24:30,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:30,916 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:30,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:24:30,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:30,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash 688201257, now seen corresponding path program 1 times [2024-12-02 07:24:30,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:30,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917319786] [2024-12-02 07:24:30,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:30,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:32,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917319786] [2024-12-02 07:24:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917319786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:32,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:32,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:24:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310553738] [2024-12-02 07:24:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:32,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:24:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:32,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:24:32,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:24:32,171 INFO L87 Difference]: Start difference. First operand 155 states and 223 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:32,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:32,855 INFO L93 Difference]: Finished difference Result 311 states and 451 transitions. [2024-12-02 07:24:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:24:32,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:24:32,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:32,858 INFO L225 Difference]: With dead ends: 311 [2024-12-02 07:24:32,858 INFO L226 Difference]: Without dead ends: 219 [2024-12-02 07:24:32,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:24:32,859 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 275 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:32,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 432 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:24:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-12-02 07:24:32,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 190. [2024-12-02 07:24:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 states have internal predecessors, (204), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 276 transitions. [2024-12-02 07:24:32,887 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 276 transitions. Word has length 141 [2024-12-02 07:24:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:32,888 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 276 transitions. [2024-12-02 07:24:32,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2024-12-02 07:24:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:24:32,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:32,890 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:32,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:24:32,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:32,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash 946366695, now seen corresponding path program 1 times [2024-12-02 07:24:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:32,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050015913] [2024-12-02 07:24:32,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:32,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:34,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050015913] [2024-12-02 07:24:34,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050015913] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:34,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:34,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:24:34,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087391602] [2024-12-02 07:24:34,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:34,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:24:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:34,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:24:34,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:24:34,304 INFO L87 Difference]: Start difference. First operand 190 states and 276 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:34,993 INFO L93 Difference]: Finished difference Result 343 states and 499 transitions. [2024-12-02 07:24:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:24:34,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:24:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:34,995 INFO L225 Difference]: With dead ends: 343 [2024-12-02 07:24:34,995 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 07:24:34,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:24:34,996 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 258 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:34,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 491 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:24:34,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 07:24:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2024-12-02 07:24:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 141 states have (on average 1.3475177304964538) internal successors, (190), 141 states have internal predecessors, (190), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 262 transitions. [2024-12-02 07:24:35,026 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 262 transitions. Word has length 141 [2024-12-02 07:24:35,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:35,027 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 262 transitions. [2024-12-02 07:24:35,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 262 transitions. [2024-12-02 07:24:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:24:35,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:35,029 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:35,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:24:35,030 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:35,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:35,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1170047832, now seen corresponding path program 1 times [2024-12-02 07:24:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:35,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363406107] [2024-12-02 07:24:35,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:35,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:35,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:35,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363406107] [2024-12-02 07:24:35,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363406107] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:35,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:35,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:35,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970903793] [2024-12-02 07:24:35,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:35,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:35,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:35,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:35,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:35,346 INFO L87 Difference]: Start difference. First operand 180 states and 262 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:35,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:35,620 INFO L93 Difference]: Finished difference Result 336 states and 489 transitions. [2024-12-02 07:24:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:35,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-12-02 07:24:35,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:35,623 INFO L225 Difference]: With dead ends: 336 [2024-12-02 07:24:35,623 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 07:24:35,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:24:35,624 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 38 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:35,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 370 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:24:35,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 07:24:35,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 197. [2024-12-02 07:24:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 158 states have (on average 1.360759493670886) internal successors, (215), 158 states have internal predecessors, (215), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 287 transitions. [2024-12-02 07:24:35,640 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 287 transitions. Word has length 144 [2024-12-02 07:24:35,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:35,640 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 287 transitions. [2024-12-02 07:24:35,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 287 transitions. [2024-12-02 07:24:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:24:35,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:35,642 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:35,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:24:35,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:35,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:35,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1871112410, now seen corresponding path program 1 times [2024-12-02 07:24:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:35,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7597786] [2024-12-02 07:24:35,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:36,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7597786] [2024-12-02 07:24:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7597786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:36,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:36,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:24:36,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192811570] [2024-12-02 07:24:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:36,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:24:36,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:36,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:24:36,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:24:36,107 INFO L87 Difference]: Start difference. First operand 197 states and 287 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:36,548 INFO L93 Difference]: Finished difference Result 395 states and 577 transitions. [2024-12-02 07:24:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:24:36,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-12-02 07:24:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:36,550 INFO L225 Difference]: With dead ends: 395 [2024-12-02 07:24:36,550 INFO L226 Difference]: Without dead ends: 268 [2024-12-02 07:24:36,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:24:36,551 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 238 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:36,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 275 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:24:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-12-02 07:24:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 241. [2024-12-02 07:24:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 202 states have (on average 1.391089108910891) internal successors, (281), 202 states have internal predecessors, (281), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 353 transitions. [2024-12-02 07:24:36,574 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 353 transitions. Word has length 144 [2024-12-02 07:24:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:36,574 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 353 transitions. [2024-12-02 07:24:36,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 353 transitions. [2024-12-02 07:24:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:24:36,575 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:36,576 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:36,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:24:36,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash -824096874, now seen corresponding path program 1 times [2024-12-02 07:24:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:36,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529985075] [2024-12-02 07:24:36,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:38,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:38,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529985075] [2024-12-02 07:24:38,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529985075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:38,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:38,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:24:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482889060] [2024-12-02 07:24:38,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:38,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:24:38,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:38,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:24:38,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:24:38,434 INFO L87 Difference]: Start difference. First operand 241 states and 353 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 07:24:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:39,181 INFO L93 Difference]: Finished difference Result 520 states and 766 transitions. [2024-12-02 07:24:39,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:24:39,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-12-02 07:24:39,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:39,184 INFO L225 Difference]: With dead ends: 520 [2024-12-02 07:24:39,184 INFO L226 Difference]: Without dead ends: 350 [2024-12-02 07:24:39,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:24:39,185 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 179 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:39,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 378 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:24:39,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-12-02 07:24:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 270. [2024-12-02 07:24:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 231 states have (on average 1.4025974025974026) internal successors, (324), 231 states have internal predecessors, (324), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 396 transitions. [2024-12-02 07:24:39,206 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 396 transitions. Word has length 144 [2024-12-02 07:24:39,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:39,206 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 396 transitions. [2024-12-02 07:24:39,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 07:24:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 396 transitions. [2024-12-02 07:24:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:24:39,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:39,208 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:39,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:24:39,208 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:39,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2089967128, now seen corresponding path program 1 times [2024-12-02 07:24:39,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:39,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593187692] [2024-12-02 07:24:39,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:39,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:40,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:40,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593187692] [2024-12-02 07:24:40,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593187692] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:40,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:40,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:24:40,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075482191] [2024-12-02 07:24:40,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:40,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:24:40,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:40,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:24:40,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:24:40,243 INFO L87 Difference]: Start difference. First operand 270 states and 396 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:40,800 INFO L93 Difference]: Finished difference Result 521 states and 760 transitions. [2024-12-02 07:24:40,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:24:40,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-12-02 07:24:40,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:40,803 INFO L225 Difference]: With dead ends: 521 [2024-12-02 07:24:40,803 INFO L226 Difference]: Without dead ends: 341 [2024-12-02 07:24:40,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:24:40,804 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 267 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:40,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 464 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:24:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-12-02 07:24:40,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 299. [2024-12-02 07:24:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 260 states have (on average 1.4076923076923078) internal successors, (366), 260 states have internal predecessors, (366), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 438 transitions. [2024-12-02 07:24:40,838 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 438 transitions. Word has length 144 [2024-12-02 07:24:40,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:40,839 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 438 transitions. [2024-12-02 07:24:40,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 438 transitions. [2024-12-02 07:24:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 07:24:40,841 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:40,841 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:40,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:24:40,841 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:40,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:40,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2129346889, now seen corresponding path program 1 times [2024-12-02 07:24:40,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:40,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233659968] [2024-12-02 07:24:40,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:40,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:41,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:41,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233659968] [2024-12-02 07:24:41,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233659968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:41,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:41,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:41,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549739729] [2024-12-02 07:24:41,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:41,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:41,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:41,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:41,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:41,151 INFO L87 Difference]: Start difference. First operand 299 states and 438 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:41,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:41,350 INFO L93 Difference]: Finished difference Result 560 states and 817 transitions. [2024-12-02 07:24:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:24:41,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 07:24:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:41,352 INFO L225 Difference]: With dead ends: 560 [2024-12-02 07:24:41,352 INFO L226 Difference]: Without dead ends: 354 [2024-12-02 07:24:41,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:24:41,353 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 96 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:41,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 365 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:24:41,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-12-02 07:24:41,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 308. [2024-12-02 07:24:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 269 states have (on average 1.4014869888475836) internal successors, (377), 269 states have internal predecessors, (377), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 449 transitions. [2024-12-02 07:24:41,387 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 449 transitions. Word has length 145 [2024-12-02 07:24:41,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:41,387 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 449 transitions. [2024-12-02 07:24:41,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 449 transitions. [2024-12-02 07:24:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:24:41,389 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:41,389 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:41,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:24:41,389 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:41,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1731041970, now seen corresponding path program 1 times [2024-12-02 07:24:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:41,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866155508] [2024-12-02 07:24:41,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:43,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:43,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866155508] [2024-12-02 07:24:43,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866155508] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:43,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:43,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:24:43,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515564642] [2024-12-02 07:24:43,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:43,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:24:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:43,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:24:43,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:24:43,417 INFO L87 Difference]: Start difference. First operand 308 states and 449 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 07:24:44,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:44,270 INFO L93 Difference]: Finished difference Result 631 states and 921 transitions. [2024-12-02 07:24:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:24:44,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-12-02 07:24:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:44,272 INFO L225 Difference]: With dead ends: 631 [2024-12-02 07:24:44,272 INFO L226 Difference]: Without dead ends: 416 [2024-12-02 07:24:44,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:24:44,273 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 357 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:44,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 309 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:24:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-12-02 07:24:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 329. [2024-12-02 07:24:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 481 transitions. [2024-12-02 07:24:44,308 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 481 transitions. Word has length 147 [2024-12-02 07:24:44,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:44,309 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 481 transitions. [2024-12-02 07:24:44,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 07:24:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 481 transitions. [2024-12-02 07:24:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:24:44,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:44,310 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:44,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:24:44,310 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:44,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:44,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2109166017, now seen corresponding path program 1 times [2024-12-02 07:24:44,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:44,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116392002] [2024-12-02 07:24:44,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:44,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:44,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116392002] [2024-12-02 07:24:44,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116392002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:44,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:44,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:24:44,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107833129] [2024-12-02 07:24:44,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:44,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:24:44,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:44,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:24:44,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:24:44,370 INFO L87 Difference]: Start difference. First operand 329 states and 481 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:44,394 INFO L93 Difference]: Finished difference Result 553 states and 810 transitions. [2024-12-02 07:24:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:24:44,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 07:24:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:44,396 INFO L225 Difference]: With dead ends: 553 [2024-12-02 07:24:44,396 INFO L226 Difference]: Without dead ends: 330 [2024-12-02 07:24:44,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:24:44,397 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:44,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-12-02 07:24:44,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-12-02 07:24:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 291 states have (on average 1.4089347079037802) internal successors, (410), 291 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 482 transitions. [2024-12-02 07:24:44,416 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 482 transitions. Word has length 147 [2024-12-02 07:24:44,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:44,417 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 482 transitions. [2024-12-02 07:24:44,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 482 transitions. [2024-12-02 07:24:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:24:44,418 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:44,418 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:44,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:24:44,419 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:44,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1927635841, now seen corresponding path program 1 times [2024-12-02 07:24:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119329267] [2024-12-02 07:24:44,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 07:24:44,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119329267] [2024-12-02 07:24:44,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119329267] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:24:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461188517] [2024-12-02 07:24:44,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:44,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:24:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:24:44,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:24:44,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:24:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:44,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:24:44,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:44,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:44,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461188517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:44,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:24:44,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 07:24:44,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935788553] [2024-12-02 07:24:44,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:44,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:24:44,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:44,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:24:44,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:24:44,857 INFO L87 Difference]: Start difference. First operand 330 states and 482 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:44,920 INFO L93 Difference]: Finished difference Result 558 states and 815 transitions. [2024-12-02 07:24:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:24:44,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 07:24:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:44,923 INFO L225 Difference]: With dead ends: 558 [2024-12-02 07:24:44,923 INFO L226 Difference]: Without dead ends: 334 [2024-12-02 07:24:44,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:24:44,924 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:44,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 644 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-12-02 07:24:44,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 331. [2024-12-02 07:24:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 483 transitions. [2024-12-02 07:24:44,960 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 483 transitions. Word has length 147 [2024-12-02 07:24:44,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:44,960 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 483 transitions. [2024-12-02 07:24:44,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 483 transitions. [2024-12-02 07:24:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:24:44,961 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:44,962 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:44,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:24:45,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 07:24:45,162 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:45,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:45,163 INFO L85 PathProgramCache]: Analyzing trace with hash -240080967, now seen corresponding path program 1 times [2024-12-02 07:24:45,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:45,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750809729] [2024-12-02 07:24:45,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:24:45,279 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:24:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:24:45,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:24:45,419 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:24:45,420 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:24:45,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:24:45,424 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:45,526 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:24:45,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:24:45 BoogieIcfgContainer [2024-12-02 07:24:45,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:24:45,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:24:45,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:24:45,529 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:24:45,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:28" (3/4) ... [2024-12-02 07:24:45,539 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:24:45,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:24:45,540 INFO L158 Benchmark]: Toolchain (without parser) took 18140.92ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 92.5MB in the beginning and 457.4MB in the end (delta: -364.9MB). Peak memory consumption was 298.1MB. Max. memory is 16.1GB. [2024-12-02 07:24:45,540 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:24:45,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.12ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:24:45,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:24:45,541 INFO L158 Benchmark]: Boogie Preprocessor took 41.73ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:24:45,541 INFO L158 Benchmark]: RCFGBuilder took 616.38ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 41.2MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 07:24:45,542 INFO L158 Benchmark]: TraceAbstraction took 17164.38ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 40.4MB in the beginning and 176.1MB in the end (delta: -135.7MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. [2024-12-02 07:24:45,542 INFO L158 Benchmark]: Witness Printer took 10.07ms. Allocated memory is still 494.9MB. Free memory was 176.1MB in the beginning and 457.4MB in the end (delta: -281.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:24:45,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.12ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.73ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.38ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 41.2MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17164.38ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 40.4MB in the beginning and 176.1MB in the end (delta: -135.7MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. * Witness Printer took 10.07ms. Allocated memory is still 494.9MB. Free memory was 176.1MB in the beginning and 457.4MB in the end (delta: -281.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 132. Possible FailurePath: [L37] unsigned char isInitial = 0; [L38-L52] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 0, 1, 64, 4, -4, 32, 32, -64, 50, 16, 63.5 }; [L53] signed long int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L54] unsigned char* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L55] unsigned char* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L56] unsigned char* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L57] signed char* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L58] signed char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L59] signed char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L60] signed char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L61] signed char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L62] signed char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L63] signed char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L64] signed char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L65] float* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L66] signed char last_1_WrapperStruct00_var_1_9 = 64; [L67] signed char last_1_WrapperStruct00_var_1_14 = -64; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=0, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L136] isInitial = 1 [L137] FCALL initially() [L139] CALL updateLastVariables() [L128] EXPR WrapperStruct00.var_1_9 [L128] last_1_WrapperStruct00_var_1_9 = WrapperStruct00.var_1_9 [L129] EXPR WrapperStruct00.var_1_14 [L129] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L139] RET updateLastVariables() [L140] CALL updateVariables() [L99] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L102] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L105] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L108] WrapperStruct00.var_1_10 = __VERIFIER_nondet_char() [L109] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L111] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L112] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L114] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L117] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L118] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L120] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L121] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L123] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L124] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L140] RET updateVariables() [L141] CALL step() [L71] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L71] unsigned char stepLocal_0 = (*(WrapperStruct00_var_1_6_Pointer)); [L72] COND TRUE ! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9) [L73] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L73] EXPR (*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_0=-255] [L73] COND TRUE ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && stepLocal_0 [L74] (*(WrapperStruct00_var_1_1_Pointer)) = ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_13_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] EXPR ((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] signed long int stepLocal_3 = ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))); [L82] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_3=0] [L82] COND TRUE (*(WrapperStruct00_var_1_12_Pointer)) < stepLocal_3 [L83] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L83] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L83] (*(WrapperStruct00_var_1_14_Pointer)) = ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))) [L87] (*(WrapperStruct00_var_1_17_Pointer)) = 128.91f [L88] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L88] unsigned char stepLocal_2 = (*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)); [L89] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L89] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_5_Pointer)); [L90] stepLocal_1 && (*(WrapperStruct00_var_1_4_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_2=0] [L90] COND FALSE !(stepLocal_1 && (*(WrapperStruct00_var_1_4_Pointer))) [L95] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L95] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L95] (*(WrapperStruct00_var_1_9_Pointer)) = ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))) [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) [L132] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L132] EXPR (*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer)) [L132] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) [L132] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L132] EXPR (((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer)))))) [L132] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L132] EXPR (*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))) [L132] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer)))))))) [L132] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) [L132] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer)))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) [L132] EXPR \read(*WrapperStruct00_var_1_17_Pointer) [L132] EXPR ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132-L133] return ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 14, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1802 mSDsluCounter, 4813 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3336 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3042 IncrementalHoareTripleChecker+Invalid, 3249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 1477 mSDtfsCounter, 3042 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 330 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=13, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 422 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 2281 NumberOfCodeBlocks, 2281 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2119 ConstructedInterpolants, 0 QuantifiedInterpolants, 11634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1122 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 9095/9180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 07:24:45,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1 --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 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:24:47,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:24:47,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:24:47,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:24:47,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:24:47,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:24:47,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:24:47,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:24:47,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:24:47,523 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:24:47,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:24:47,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:24:47,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:24:47,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:24:47,523 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:24:47,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:24:47,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:24:47,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:47,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:24:47,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:47,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:24:47,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:24:47,526 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_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1 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 -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-12-02 07:24:47,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:24:47,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:24:47,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:24:47,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:24:47,780 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:24:47,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:50,383 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/5e1f33702/8f85bcdaaff945959369b966ba6f499b/FLAGe3bae4636 [2024-12-02 07:24:50,594 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:24:50,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:50,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/5e1f33702/8f85bcdaaff945959369b966ba6f499b/FLAGe3bae4636 [2024-12-02 07:24:50,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/data/5e1f33702/8f85bcdaaff945959369b966ba6f499b [2024-12-02 07:24:50,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:24:50,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:24:50,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:24:50,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:24:50,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:24:50,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:50" (1/1) ... [2024-12-02 07:24:50,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa03e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:50, skipping insertion in model container [2024-12-02 07:24:50,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:50" (1/1) ... [2024-12-02 07:24:50,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:24:51,105 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_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-12-02 07:24:51,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:24:51,170 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:24:51,179 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_6561dc05-be01-43a7-b929-6a98af6302e0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-12-02 07:24:51,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:24:51,230 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:24:51,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51 WrapperNode [2024-12-02 07:24:51,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:24:51,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:24:51,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:24:51,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:24:51,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,271 INFO L138 Inliner]: procedures = 34, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-12-02 07:24:51,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:24:51,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:24:51,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:24:51,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:24:51,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,300 INFO L175 MemorySlicer]: Split 111 memory accesses to 2 slices as follows [2, 109]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 31 writes are split as follows [0, 31]. [2024-12-02 07:24:51,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:24:51,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:24:51,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:24:51,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:24:51,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (1/1) ... [2024-12-02 07:24:51,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:24:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:24:51,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:24:51,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 07:24:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:24:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 07:24:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:24:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:24:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 07:24:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 07:24:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 07:24:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 07:24:51,488 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:24:51,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:24:52,019 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-12-02 07:24:52,020 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:24:52,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:24:52,030 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:24:52,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:52 BoogieIcfgContainer [2024-12-02 07:24:52,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:24:52,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:24:52,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:24:52,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:24:52,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:24:50" (1/3) ... [2024-12-02 07:24:52,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aeb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:52, skipping insertion in model container [2024-12-02 07:24:52,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:51" (2/3) ... [2024-12-02 07:24:52,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aeb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:52, skipping insertion in model container [2024-12-02 07:24:52,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:52" (3/3) ... [2024-12-02 07:24:52,039 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-12-02 07:24:52,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:24:52,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-57.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:24:52,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:24:52,108 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;@5f686f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:24:52,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:24:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 07:24:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 07:24:52,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:52,123 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:52,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:52,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:52,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1840313941, now seen corresponding path program 1 times [2024-12-02 07:24:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:52,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104298082] [2024-12-02 07:24:52,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:52,142 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 [2024-12-02 07:24:52,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:52,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:52,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:52,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:24:52,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-02 07:24:52,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:52,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:24:52,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104298082] [2024-12-02 07:24:52,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104298082] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:52,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:52,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:24:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659712295] [2024-12-02 07:24:52,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:52,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:24:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:24:52,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:24:52,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:24:52,477 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 07:24:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:52,499 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-12-02 07:24:52,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:24:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 134 [2024-12-02 07:24:52,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:52,506 INFO L225 Difference]: With dead ends: 187 [2024-12-02 07:24:52,506 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 07:24:52,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:24:52,512 INFO L435 NwaCegarLoop]: 135 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, 135 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 [2024-12-02 07:24:52,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 07:24:52,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-12-02 07:24:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 07:24:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-12-02 07:24:52,549 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-12-02 07:24:52,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:52,549 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-12-02 07:24:52,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 07:24:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-12-02 07:24:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 07:24:52,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:52,553 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:52,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:52,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:52,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:52,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash -957014791, now seen corresponding path program 1 times [2024-12-02 07:24:52,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:52,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013133100] [2024-12-02 07:24:52,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:52,755 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 [2024-12-02 07:24:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:52,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:52,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:53,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:24:53,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:53,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:53,066 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:24:53,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013133100] [2024-12-02 07:24:53,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013133100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:53,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:53,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:53,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25442598] [2024-12-02 07:24:53,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:53,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:53,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:24:53,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:53,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:53,069 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:53,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:53,141 INFO L93 Difference]: Finished difference Result 188 states and 274 transitions. [2024-12-02 07:24:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:53,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-12-02 07:24:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:53,143 INFO L225 Difference]: With dead ends: 188 [2024-12-02 07:24:53,144 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 07:24:53,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:53,145 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:53,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 507 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:24:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 07:24:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-12-02 07:24:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 07:24:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-12-02 07:24:53,156 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 134 [2024-12-02 07:24:53,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:53,158 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-12-02 07:24:53,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-12-02 07:24:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 07:24:53,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:53,160 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:53,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:53,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:53,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:53,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:53,362 INFO L85 PathProgramCache]: Analyzing trace with hash -955167749, now seen corresponding path program 1 times [2024-12-02 07:24:53,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489784708] [2024-12-02 07:24:53,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:53,362 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 [2024-12-02 07:24:53,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:53,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:53,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:53,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 07:24:53,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:53,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2024-12-02 07:24:53,834 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 156 treesize of output 128 [2024-12-02 07:24:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:24:54,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:54,482 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:24:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489784708] [2024-12-02 07:24:54,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489784708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:54,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:54,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:24:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797206978] [2024-12-02 07:24:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:54,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:24:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:24:54,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:24:54,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:24:54,484 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:56,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:56,366 INFO L93 Difference]: Finished difference Result 286 states and 412 transitions. [2024-12-02 07:24:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:24:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-12-02 07:24:56,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:56,368 INFO L225 Difference]: With dead ends: 286 [2024-12-02 07:24:56,368 INFO L226 Difference]: Without dead ends: 192 [2024-12-02 07:24:56,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:56,369 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 82 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:56,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 301 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 07:24:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-12-02 07:24:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157. [2024-12-02 07:24:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 118 states have (on average 1.2966101694915255) internal successors, (153), 118 states have internal predecessors, (153), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:24:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-12-02 07:24:56,408 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 134 [2024-12-02 07:24:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:56,409 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-12-02 07:24:56,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:24:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-12-02 07:24:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:24:56,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:56,412 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:56,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 07:24:56,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:56,612 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:56,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1705869233, now seen corresponding path program 1 times [2024-12-02 07:24:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:56,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437580314] [2024-12-02 07:24:56,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:56,614 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 [2024-12-02 07:24:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:56,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:56,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:56,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 07:24:56,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:57,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:24:57,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:24:58,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:24:58,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:24:59,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:24:59,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:25:00,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:25:00,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-12-02 07:25:01,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-02 07:25:02,492 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 95 treesize of output 71 [2024-12-02 07:25:02,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 121 [2024-12-02 07:25:02,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 07:25:03,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 117 [2024-12-02 07:25:03,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:25:03,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 146 treesize of output 117 [2024-12-02 07:25:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 361 proven. 170 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 07:25:03,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:07,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437580314] [2024-12-02 07:25:07,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437580314] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2111232440] [2024-12-02 07:25:07,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:07,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:25:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:25:07,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:25:07,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 07:25:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:07,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 07:25:07,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:10,569 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 45 treesize of output 32 [2024-12-02 07:25:10,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2024-12-02 07:25:10,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2024-12-02 07:25:10,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:11,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:11,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:11,421 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 97 treesize of output 73 [2024-12-02 07:25:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:25:11,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:11,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2111232440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:11,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:25:11,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 24 [2024-12-02 07:25:11,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950474907] [2024-12-02 07:25:11,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:11,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:25:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:11,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:25:11,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2024-12-02 07:25:11,683 INFO L87 Difference]: Start difference. First operand 157 states and 225 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:12,722 INFO L93 Difference]: Finished difference Result 317 states and 457 transitions. [2024-12-02 07:25:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:25:12,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:25:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:12,724 INFO L225 Difference]: With dead ends: 317 [2024-12-02 07:25:12,724 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 07:25:12,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 07:25:12,725 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 256 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:12,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 432 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:25:12,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 07:25:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 192. [2024-12-02 07:25:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:25:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-12-02 07:25:12,764 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-12-02 07:25:12,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:12,764 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-12-02 07:25:12,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-12-02 07:25:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:25:12,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:12,767 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:12,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-02 07:25:12,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 07:25:13,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:13,167 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:13,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1447703795, now seen corresponding path program 1 times [2024-12-02 07:25:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:25:13,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208227948] [2024-12-02 07:25:13,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:13,168 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 [2024-12-02 07:25:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:25:13,170 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:25:13,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:13,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 07:25:13,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:13,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:25:14,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:25:14,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:25:15,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:25:15,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-02 07:25:16,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 65 [2024-12-02 07:25:17,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 68 [2024-12-02 07:25:17,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 76 [2024-12-02 07:25:18,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 87 [2024-12-02 07:25:19,753 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 119 treesize of output 89 [2024-12-02 07:25:19,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 163 [2024-12-02 07:25:20,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 60 [2024-12-02 07:25:20,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 162 [2024-12-02 07:25:21,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:25:21,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 194 treesize of output 162 [2024-12-02 07:25:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 07:25:21,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:25,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:25,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208227948] [2024-12-02 07:25:25,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208227948] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:25,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [28039032] [2024-12-02 07:25:25,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:25,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:25:25,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:25:25,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:25:25,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 07:25:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:25,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 07:25:25,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:28,627 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 45 treesize of output 32 [2024-12-02 07:25:28,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2024-12-02 07:25:28,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2024-12-02 07:25:28,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:29,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:29,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 07:25:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:25:29,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:29,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [28039032] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:29,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:25:29,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-12-02 07:25:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705069046] [2024-12-02 07:25:29,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:29,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:25:29,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:29,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:25:29,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1046, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 07:25:29,793 INFO L87 Difference]: Start difference. First operand 192 states and 278 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:31,262 INFO L93 Difference]: Finished difference Result 366 states and 527 transitions. [2024-12-02 07:25:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:25:31,263 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:25:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:31,264 INFO L225 Difference]: With dead ends: 366 [2024-12-02 07:25:31,264 INFO L226 Difference]: Without dead ends: 251 [2024-12-02 07:25:31,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 07:25:31,266 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 438 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:31,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 525 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:25:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-12-02 07:25:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 192. [2024-12-02 07:25:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:25:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-12-02 07:25:31,290 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-12-02 07:25:31,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:31,290 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-12-02 07:25:31,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-12-02 07:25:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 07:25:31,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:31,291 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:31,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 07:25:31,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:31,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:31,692 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:31,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:31,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1565320623, now seen corresponding path program 1 times [2024-12-02 07:25:31,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:25:31,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160063868] [2024-12-02 07:25:31,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:31,693 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 [2024-12-02 07:25:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:25:31,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:25:31,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:31,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 07:25:31,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:32,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:25:32,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 07:25:33,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 07:25:33,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 07:25:34,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 07:25:34,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-12-02 07:25:35,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-12-02 07:25:36,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-12-02 07:25:36,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-12-02 07:25:37,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-12-02 07:25:37,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-12-02 07:25:37,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:25:37,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2024-12-02 07:25:38,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:25:38,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 36 [2024-12-02 07:25:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 297 proven. 170 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-02 07:25:38,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:38,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:38,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160063868] [2024-12-02 07:25:38,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160063868] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:38,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2050994670] [2024-12-02 07:25:38,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:38,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:25:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:25:38,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:25:38,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 07:25:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:39,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 07:25:39,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:41,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:25:41,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:25:41,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:25:41,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:25:42,138 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 69 treesize of output 57 [2024-12-02 07:25:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:25:42,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:42,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2050994670] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:42,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:25:42,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 26 [2024-12-02 07:25:42,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600274928] [2024-12-02 07:25:42,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:42,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:25:42,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:42,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:25:42,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=924, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 07:25:42,284 INFO L87 Difference]: Start difference. First operand 192 states and 278 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:43,790 INFO L93 Difference]: Finished difference Result 363 states and 524 transitions. [2024-12-02 07:25:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:25:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 07:25:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:43,793 INFO L225 Difference]: With dead ends: 363 [2024-12-02 07:25:43,793 INFO L226 Difference]: Without dead ends: 248 [2024-12-02 07:25:43,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=188, Invalid=1294, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 07:25:43,794 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 200 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:43,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 715 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:25:43,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-12-02 07:25:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-12-02 07:25:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 134 states have (on average 1.3208955223880596) internal successors, (177), 134 states have internal predecessors, (177), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:25:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 249 transitions. [2024-12-02 07:25:43,819 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 249 transitions. Word has length 141 [2024-12-02 07:25:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:43,820 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 249 transitions. [2024-12-02 07:25:43,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 249 transitions. [2024-12-02 07:25:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:25:43,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:43,822 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:43,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 07:25:44,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:44,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:44,223 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:44,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:44,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1643005562, now seen corresponding path program 1 times [2024-12-02 07:25:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:25:44,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272320270] [2024-12-02 07:25:44,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:44,224 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 [2024-12-02 07:25:44,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:25:44,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:25:44,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:44,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:25:44,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:25:44,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:44,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:44,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272320270] [2024-12-02 07:25:44,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272320270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:44,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:44,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:25:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170410975] [2024-12-02 07:25:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:44,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:25:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:44,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:25:44,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:25:44,477 INFO L87 Difference]: Start difference. First operand 173 states and 249 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:44,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:44,971 INFO L93 Difference]: Finished difference Result 317 states and 456 transitions. [2024-12-02 07:25:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:25:44,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-12-02 07:25:44,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:44,973 INFO L225 Difference]: With dead ends: 317 [2024-12-02 07:25:44,973 INFO L226 Difference]: Without dead ends: 207 [2024-12-02 07:25:44,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:25:44,974 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:44,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 362 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:25:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-12-02 07:25:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 181. [2024-12-02 07:25:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.323943661971831) internal successors, (188), 142 states have internal predecessors, (188), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:25:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 260 transitions. [2024-12-02 07:25:44,997 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 260 transitions. Word has length 144 [2024-12-02 07:25:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:44,997 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 260 transitions. [2024-12-02 07:25:44,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 260 transitions. [2024-12-02 07:25:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:25:44,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:44,998 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:45,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 07:25:45,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:45,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:45,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1950897156, now seen corresponding path program 1 times [2024-12-02 07:25:45,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:25:45,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919833452] [2024-12-02 07:25:45,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:45,200 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 [2024-12-02 07:25:45,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:25:45,201 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:25:45,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:45,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 07:25:45,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:45,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:25:46,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:25:46,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:25:47,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:25:47,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-12-02 07:25:48,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2024-12-02 07:25:49,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 65 [2024-12-02 07:25:50,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 76 [2024-12-02 07:25:50,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 87 [2024-12-02 07:25:52,056 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 119 treesize of output 89 [2024-12-02 07:25:52,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 163 [2024-12-02 07:25:52,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2024-12-02 07:25:53,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 162 [2024-12-02 07:25:53,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:25:53,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 194 treesize of output 162 [2024-12-02 07:25:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 07:25:54,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:57,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:57,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919833452] [2024-12-02 07:25:57,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919833452] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:57,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [536306449] [2024-12-02 07:25:57,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:57,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:25:57,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:25:57,633 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:25:57,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-02 07:25:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:58,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 07:25:58,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:59,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:25:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:25:59,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:59,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [536306449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:59,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:25:59,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-12-02 07:25:59,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338376157] [2024-12-02 07:25:59,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:59,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:25:59,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:59,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:25:59,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2024-12-02 07:25:59,298 INFO L87 Difference]: Start difference. First operand 181 states and 260 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:59,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:59,856 INFO L93 Difference]: Finished difference Result 346 states and 497 transitions. [2024-12-02 07:25:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:25:59,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-12-02 07:25:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:59,858 INFO L225 Difference]: With dead ends: 346 [2024-12-02 07:25:59,859 INFO L226 Difference]: Without dead ends: 228 [2024-12-02 07:25:59,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=141, Invalid=851, Unknown=0, NotChecked=0, Total=992 [2024-12-02 07:25:59,860 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 159 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:59,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 277 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:25:59,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-12-02 07:25:59,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 191. [2024-12-02 07:25:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:25:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 275 transitions. [2024-12-02 07:25:59,887 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 275 transitions. Word has length 144 [2024-12-02 07:25:59,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:59,888 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 275 transitions. [2024-12-02 07:25:59,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:25:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 275 transitions. [2024-12-02 07:25:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:25:59,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:59,888 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:59,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-02 07:26:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:26:00,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:26:00,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:26:00,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash -351139144, now seen corresponding path program 1 times [2024-12-02 07:26:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:26:00,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043169603] [2024-12-02 07:26:00,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:00,290 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 [2024-12-02 07:26:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:26:00,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:26:00,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:26:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:00,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 07:26:00,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:26:00,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:26:01,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:26:01,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:26:02,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:26:02,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:26:03,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:26:03,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:26:04,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:26:05,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:26:05,894 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 87 treesize of output 65 [2024-12-02 07:26:05,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 107 [2024-12-02 07:26:06,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 33 [2024-12-02 07:26:06,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 102 [2024-12-02 07:26:06,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:26:06,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 130 treesize of output 102 [2024-12-02 07:26:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 170 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-12-02 07:26:07,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:26:10,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:26:10,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043169603] [2024-12-02 07:26:10,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043169603] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:26:10,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1096368735] [2024-12-02 07:26:10,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:10,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:26:10,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:26:10,504 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:26:10,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-02 07:26:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:11,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-02 07:26:11,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:26:11,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:26:12,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:26:12,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 07:26:13,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-12-02 07:26:14,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-12-02 07:26:14,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-12-02 07:26:15,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-12-02 07:26:16,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2024-12-02 07:26:17,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 75 [2024-12-02 07:26:18,996 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 110 treesize of output 82 [2024-12-02 07:26:19,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 148 [2024-12-02 07:26:19,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 60 [2024-12-02 07:26:20,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-12-02 07:26:20,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-12-02 07:26:20,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-12-02 07:26:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 416 proven. 128 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 07:26:21,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:26:30,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1096368735] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:26:30,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:26:30,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-12-02 07:26:30,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966297736] [2024-12-02 07:26:30,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:26:30,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-02 07:26:30,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:26:30,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-02 07:26:30,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 07:26:30,523 INFO L87 Difference]: Start difference. First operand 191 states and 275 transitions. Second operand has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-12-02 07:26:53,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:26:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:26:56,088 INFO L93 Difference]: Finished difference Result 423 states and 605 transitions. [2024-12-02 07:26:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 07:26:56,089 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 144 [2024-12-02 07:26:56,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:26:56,090 INFO L225 Difference]: With dead ends: 423 [2024-12-02 07:26:56,090 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 07:26:56,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 20.8s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2024-12-02 07:26:56,091 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1041 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:26:56,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 477 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2024-12-02 07:26:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 07:26:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2024-12-02 07:26:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 206 states have (on average 1.3689320388349515) internal successors, (282), 206 states have internal predecessors, (282), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:26:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 354 transitions. [2024-12-02 07:26:56,122 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 354 transitions. Word has length 144 [2024-12-02 07:26:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:26:56,123 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 354 transitions. [2024-12-02 07:26:56,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-12-02 07:26:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2024-12-02 07:26:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:26:56,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:26:56,123 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:26:56,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 07:26:56,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-02 07:26:56,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:26:56,524 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:26:56,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:56,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1732042438, now seen corresponding path program 1 times [2024-12-02 07:26:56,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:26:56,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936848927] [2024-12-02 07:26:56,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:56,525 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 [2024-12-02 07:26:56,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:26:56,527 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:26:56,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (16)] Waiting until timeout for monitored process [2024-12-02 07:26:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:56,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 07:26:56,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:27:00,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:27:01,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:27:02,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-12-02 07:27:04,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-12-02 07:27:05,249 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 79 treesize of output 59 [2024-12-02 07:27:05,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 103 [2024-12-02 07:27:05,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 07:27:06,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 99 [2024-12-02 07:27:06,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 99 [2024-12-02 07:27:07,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 115 [2024-12-02 07:27:08,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:27:08,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 114 [2024-12-02 07:27:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 264 proven. 149 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-12-02 07:27:08,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:27:24,119 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:27:24,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936848927] [2024-12-02 07:27:24,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936848927] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:27:24,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1892610750] [2024-12-02 07:27:24,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:27:24,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:27:24,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:27:24,121 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:27:24,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 07:27:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:27:24,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 07:27:24,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:27:29,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:27:30,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 07:27:33,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-12-02 07:27:34,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-12-02 07:27:36,038 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 70 treesize of output 52 [2024-12-02 07:27:36,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2024-12-02 07:27:36,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2024-12-02 07:27:37,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2024-12-02 07:27:38,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2024-12-02 07:27:39,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 105 [2024-12-02 07:27:40,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 118 [2024-12-02 07:27:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 149 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-12-02 07:27:40,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:27:45,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1892610750] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:27:45,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:27:45,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 39 [2024-12-02 07:27:45,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687207301] [2024-12-02 07:27:45,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:27:45,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-02 07:27:45,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:27:45,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-02 07:27:45,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1857, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 07:27:45,441 INFO L87 Difference]: Start difference. First operand 247 states and 354 transitions. Second operand has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) [2024-12-02 07:28:47,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:28:49,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:28:53,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:03,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:07,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:12,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:16,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:20,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:22,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:25,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:29:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:29:26,629 INFO L93 Difference]: Finished difference Result 722 states and 990 transitions. [2024-12-02 07:29:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-02 07:29:26,631 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) Word has length 144 [2024-12-02 07:29:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:29:26,633 INFO L225 Difference]: With dead ends: 722 [2024-12-02 07:29:26,633 INFO L226 Difference]: Without dead ends: 561 [2024-12-02 07:29:26,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 303 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 53.3s TimeCoverageRelationStatistics Valid=1264, Invalid=4436, Unknown=0, NotChecked=0, Total=5700 [2024-12-02 07:29:26,635 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 1437 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 584 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:29:26,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1110 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2611 Invalid, 1 Unknown, 0 Unchecked, 70.4s Time] [2024-12-02 07:29:26,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-12-02 07:29:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 381. [2024-12-02 07:29:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 328 states have (on average 1.3597560975609757) internal successors, (446), 328 states have internal predecessors, (446), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:29:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 518 transitions. [2024-12-02 07:29:26,726 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 518 transitions. Word has length 144 [2024-12-02 07:29:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:29:26,727 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 518 transitions. [2024-12-02 07:29:26,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) [2024-12-02 07:29:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 518 transitions. [2024-12-02 07:29:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 07:29:26,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:29:26,727 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:29:26,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (16)] Forceful destruction successful, exit code 0 [2024-12-02 07:29:26,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-02 07:29:27,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:29:27,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:29:27,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:29:27,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1670002824, now seen corresponding path program 1 times [2024-12-02 07:29:27,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:29:27,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155301598] [2024-12-02 07:29:27,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:29:27,129 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 [2024-12-02 07:29:27,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:29:27,130 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:29:27,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (18)] Waiting until timeout for monitored process [2024-12-02 07:29:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:29:27,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 07:29:27,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:29:38,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:29:40,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:29:43,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:29:45,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-12-02 07:29:48,885 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 69 treesize of output 51 [2024-12-02 07:29:48,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 87 [2024-12-02 07:29:49,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-12-02 07:29:50,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2024-12-02 07:29:51,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2024-12-02 07:29:52,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 98 [2024-12-02 07:29:55,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:29:55,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 97 [2024-12-02 07:29:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 208 proven. 128 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 07:29:55,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:30:19,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:30:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155301598] [2024-12-02 07:30:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155301598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:30:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1784790223] [2024-12-02 07:30:19,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:30:19,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:30:19,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:30:19,871 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:30:19,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-02 07:30:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:30:20,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 07:30:20,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:30:32,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:30:37,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 07:30:42,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-12-02 07:30:46,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2024-12-02 07:30:50,732 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 86 treesize of output 64 [2024-12-02 07:30:50,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 106 [2024-12-02 07:30:51,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-12-02 07:30:55,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 107 [2024-12-02 07:30:56,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 107 [2024-12-02 07:30:57,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 123 [2024-12-02 07:31:01,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 122 [2024-12-02 07:31:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 275 proven. 149 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:31:01,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:31:34,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1784790223] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:31:34,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:31:34,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23] total 31 [2024-12-02 07:31:34,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796123796] [2024-12-02 07:31:34,010 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:31:34,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 07:31:34,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:31:34,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 07:31:34,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1273, Unknown=6, NotChecked=0, Total=1640 [2024-12-02 07:31:34,012 INFO L87 Difference]: Start difference. First operand 381 states and 518 transitions. Second operand has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) [2024-12-02 07:32:33,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:32:46,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:32:55,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:32:59,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:02,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:03,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:05,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:08,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:11,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:13,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:17,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:20,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:22,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:33:25,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:25,693 INFO L93 Difference]: Finished difference Result 905 states and 1229 transitions. [2024-12-02 07:33:25,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 07:33:25,695 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) Word has length 144 [2024-12-02 07:33:25,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:25,697 INFO L225 Difference]: With dead ends: 905 [2024-12-02 07:33:25,697 INFO L226 Difference]: Without dead ends: 655 [2024-12-02 07:33:25,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 109.7s TimeCoverageRelationStatistics Valid=1412, Invalid=3984, Unknown=6, NotChecked=0, Total=5402 [2024-12-02 07:33:25,699 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1014 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 375 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 3294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:25,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1148 Invalid, 3294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 2918 Invalid, 1 Unknown, 0 Unchecked, 66.1s Time] [2024-12-02 07:33:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-12-02 07:33:25,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 329. [2024-12-02 07:33:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 276 states have (on average 1.3224637681159421) internal successors, (365), 276 states have internal predecessors, (365), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:33:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 437 transitions. [2024-12-02 07:33:25,810 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 437 transitions. Word has length 144 [2024-12-02 07:33:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:25,810 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 437 transitions. [2024-12-02 07:33:25,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) [2024-12-02 07:33:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 437 transitions. [2024-12-02 07:33:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 07:33:25,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:25,812 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:25,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (18)] Ended with exit code 0 [2024-12-02 07:33:26,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-02 07:33:26,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:33:26,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:26,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1952317151, now seen corresponding path program 1 times [2024-12-02 07:33:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:26,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95858722] [2024-12-02 07:33:26,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:26,213 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 [2024-12-02 07:33:26,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:26,215 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:33:26,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (20)] Waiting until timeout for monitored process [2024-12-02 07:33:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:26,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:33:26,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:33:26,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:33:26,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:26,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95858722] [2024-12-02 07:33:26,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95858722] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:33:26,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:33:26,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:33:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374374728] [2024-12-02 07:33:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:33:26,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:33:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:33:26,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:33:26,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:33:26,582 INFO L87 Difference]: Start difference. First operand 329 states and 437 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:28,147 INFO L93 Difference]: Finished difference Result 607 states and 820 transitions. [2024-12-02 07:33:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:33:28,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 07:33:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:28,150 INFO L225 Difference]: With dead ends: 607 [2024-12-02 07:33:28,151 INFO L226 Difference]: Without dead ends: 392 [2024-12-02 07:33:28,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:33:28,152 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:28,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 446 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 07:33:28,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-12-02 07:33:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 351. [2024-12-02 07:33:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 298 states have (on average 1.3221476510067114) internal successors, (394), 298 states have internal predecessors, (394), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:33:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 466 transitions. [2024-12-02 07:33:28,245 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 466 transitions. Word has length 145 [2024-12-02 07:33:28,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:28,246 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 466 transitions. [2024-12-02 07:33:28,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 466 transitions. [2024-12-02 07:33:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 07:33:28,247 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:28,247 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:28,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (20)] Ended with exit code 0 [2024-12-02 07:33:28,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:33:28,448 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:28,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:28,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1062786467, now seen corresponding path program 1 times [2024-12-02 07:33:28,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:28,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992351036] [2024-12-02 07:33:28,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:28,448 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 [2024-12-02 07:33:28,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:28,450 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:33:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (21)] Waiting until timeout for monitored process [2024-12-02 07:33:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:28,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:33:28,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:33:28,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:33:28,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:28,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992351036] [2024-12-02 07:33:28,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992351036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:33:28,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:33:28,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:33:28,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035261197] [2024-12-02 07:33:28,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:33:28,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:33:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:33:28,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:33:28,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:33:28,955 INFO L87 Difference]: Start difference. First operand 351 states and 466 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:30,580 INFO L93 Difference]: Finished difference Result 625 states and 839 transitions. [2024-12-02 07:33:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:33:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 07:33:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:30,583 INFO L225 Difference]: With dead ends: 625 [2024-12-02 07:33:30,583 INFO L226 Difference]: Without dead ends: 392 [2024-12-02 07:33:30,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:33:30,584 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 42 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:30,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 432 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:33:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-12-02 07:33:30,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 363. [2024-12-02 07:33:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 310 states have (on average 1.3129032258064517) internal successors, (407), 310 states have internal predecessors, (407), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:33:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 479 transitions. [2024-12-02 07:33:30,682 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 479 transitions. Word has length 145 [2024-12-02 07:33:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:30,682 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 479 transitions. [2024-12-02 07:33:30,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 479 transitions. [2024-12-02 07:33:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 07:33:30,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:30,684 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:30,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (21)] Ended with exit code 0 [2024-12-02 07:33:30,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:33:30,884 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:30,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1609790563, now seen corresponding path program 1 times [2024-12-02 07:33:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:30,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276803630] [2024-12-02 07:33:30,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:30,885 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 [2024-12-02 07:33:30,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:30,887 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:33:30,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (22)] Waiting until timeout for monitored process [2024-12-02 07:33:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:31,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:33:31,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:33:31,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:33:31,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:31,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276803630] [2024-12-02 07:33:31,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276803630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:33:31,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:33:31,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:33:31,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064755062] [2024-12-02 07:33:31,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:33:31,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:33:31,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:33:31,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:33:31,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:33:31,289 INFO L87 Difference]: Start difference. First operand 363 states and 479 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:32,931 INFO L93 Difference]: Finished difference Result 681 states and 913 transitions. [2024-12-02 07:33:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:33:32,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 07:33:32,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:32,934 INFO L225 Difference]: With dead ends: 681 [2024-12-02 07:33:32,934 INFO L226 Difference]: Without dead ends: 436 [2024-12-02 07:33:32,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:33:32,935 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 47 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:32,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 457 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:33:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-12-02 07:33:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 366. [2024-12-02 07:33:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 313 states have (on average 1.3194888178913737) internal successors, (413), 313 states have internal predecessors, (413), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:33:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 485 transitions. [2024-12-02 07:33:33,027 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 485 transitions. Word has length 145 [2024-12-02 07:33:33,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:33,028 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 485 transitions. [2024-12-02 07:33:33,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 485 transitions. [2024-12-02 07:33:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 07:33:33,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:33,029 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:33,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (22)] Ended with exit code 0 [2024-12-02 07:33:33,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:33:33,229 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:33,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:33,229 INFO L85 PathProgramCache]: Analyzing trace with hash 879738399, now seen corresponding path program 1 times [2024-12-02 07:33:33,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:33,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236360220] [2024-12-02 07:33:33,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:33,230 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 [2024-12-02 07:33:33,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:33,231 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:33:33,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (23)] Waiting until timeout for monitored process [2024-12-02 07:33:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:33,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:33:33,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:33:33,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:33:33,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:33,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236360220] [2024-12-02 07:33:33,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236360220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:33:33,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:33:33,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:33:33,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666229803] [2024-12-02 07:33:33,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:33:33,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:33:33,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:33:33,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:33:33,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:33:33,446 INFO L87 Difference]: Start difference. First operand 366 states and 485 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:33,574 INFO L93 Difference]: Finished difference Result 613 states and 819 transitions. [2024-12-02 07:33:33,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:33:33,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 07:33:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:33,576 INFO L225 Difference]: With dead ends: 613 [2024-12-02 07:33:33,576 INFO L226 Difference]: Without dead ends: 352 [2024-12-02 07:33:33,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:33:33,577 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:33,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:33:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-12-02 07:33:33,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-12-02 07:33:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 299 states have (on average 1.2909698996655519) internal successors, (386), 299 states have internal predecessors, (386), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:33:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-12-02 07:33:33,717 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 145 [2024-12-02 07:33:33,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:33,717 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-12-02 07:33:33,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:33:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-12-02 07:33:33,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:33:33,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:33,718 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:33,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (23)] Ended with exit code 0 [2024-12-02 07:33:33,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:33:33,919 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1772671844, now seen corresponding path program 1 times [2024-12-02 07:33:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562490410] [2024-12-02 07:33:33,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:33,919 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 [2024-12-02 07:33:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:33,921 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:33:33,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (24)] Waiting until timeout for monitored process [2024-12-02 07:33:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:34,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 07:33:34,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:36,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:33:39,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:33:41,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:33:44,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:33:46,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:33:48,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:33:50,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:33:53,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-12-02 07:33:56,647 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 78 treesize of output 58 [2024-12-02 07:33:56,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 102 [2024-12-02 07:33:57,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-12-02 07:33:58,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2024-12-02 07:33:59,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2024-12-02 07:34:00,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:34:00,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 97 [2024-12-02 07:34:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 341 proven. 164 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-02 07:34:02,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:34:27,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:34:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562490410] [2024-12-02 07:34:27,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562490410] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:34:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1056574003] [2024-12-02 07:34:27,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:34:27,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:34:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:34:27,873 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:34:27,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-02 07:34:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:34:28,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 07:34:28,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:34:34,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:34:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:34:35,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:34:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1056574003] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:34:35,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:34:35,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-12-02 07:34:35,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822770049] [2024-12-02 07:34:35,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:34:35,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:34:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:34:35,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:34:35,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:34:35,385 INFO L87 Difference]: Start difference. First operand 352 states and 458 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:34:37,624 INFO L93 Difference]: Finished difference Result 630 states and 829 transitions. [2024-12-02 07:34:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:34:37,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 07:34:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:34:37,627 INFO L225 Difference]: With dead ends: 630 [2024-12-02 07:34:37,627 INFO L226 Difference]: Without dead ends: 394 [2024-12-02 07:34:37,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:34:37,628 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 153 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:34:37,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 373 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 07:34:37,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-12-02 07:34:37,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 352. [2024-12-02 07:34:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 299 states have (on average 1.2909698996655519) internal successors, (386), 299 states have internal predecessors, (386), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:34:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-12-02 07:34:37,764 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 147 [2024-12-02 07:34:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:34:37,765 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-12-02 07:34:37,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-12-02 07:34:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:34:37,766 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:34:37,766 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:34:37,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-02 07:34:37,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (24)] Ended with exit code 0 [2024-12-02 07:34:38,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:34:38,167 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:34:38,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:34:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash 205210215, now seen corresponding path program 1 times [2024-12-02 07:34:38,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:34:38,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140365834] [2024-12-02 07:34:38,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:34:38,168 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 [2024-12-02 07:34:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:34:38,169 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:34:38,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (26)] Waiting until timeout for monitored process [2024-12-02 07:34:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:34:38,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:34:38,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:34:38,626 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:34:38,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:34:38,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:34:38,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140365834] [2024-12-02 07:34:38,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140365834] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:34:38,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:34:38,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:34:38,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947189337] [2024-12-02 07:34:38,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:34:38,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:34:38,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:34:38,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:34:38,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:34:38,628 INFO L87 Difference]: Start difference. First operand 352 states and 458 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:34:39,936 INFO L93 Difference]: Finished difference Result 641 states and 840 transitions. [2024-12-02 07:34:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:34:39,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 07:34:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:34:39,938 INFO L225 Difference]: With dead ends: 641 [2024-12-02 07:34:39,938 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 07:34:39,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:34:39,939 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:34:39,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 369 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 07:34:39,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 07:34:40,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 377. [2024-12-02 07:34:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 324 states have (on average 1.2808641975308641) internal successors, (415), 324 states have internal predecessors, (415), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:34:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 487 transitions. [2024-12-02 07:34:40,042 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 487 transitions. Word has length 147 [2024-12-02 07:34:40,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:34:40,042 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 487 transitions. [2024-12-02 07:34:40,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 487 transitions. [2024-12-02 07:34:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:34:40,043 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:34:40,043 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:34:40,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (26)] Ended with exit code 0 [2024-12-02 07:34:40,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:34:40,243 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:34:40,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:34:40,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2144036769, now seen corresponding path program 1 times [2024-12-02 07:34:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:34:40,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787821519] [2024-12-02 07:34:40,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:34:40,244 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 [2024-12-02 07:34:40,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:34:40,246 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:34:40,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (27)] Waiting until timeout for monitored process [2024-12-02 07:34:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:34:40,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 07:34:40,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:34:46,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:34:46,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-12-02 07:34:47,149 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 77 treesize of output 41 [2024-12-02 07:34:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 07:34:47,344 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:34:47,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:34:47,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787821519] [2024-12-02 07:34:47,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787821519] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:34:47,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:34:47,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:34:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736274489] [2024-12-02 07:34:47,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:34:47,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:34:47,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:34:47,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:34:47,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:34:47,345 INFO L87 Difference]: Start difference. First operand 377 states and 487 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:34:49,213 INFO L93 Difference]: Finished difference Result 382 states and 492 transitions. [2024-12-02 07:34:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:34:49,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 07:34:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:34:49,215 INFO L225 Difference]: With dead ends: 382 [2024-12-02 07:34:49,215 INFO L226 Difference]: Without dead ends: 380 [2024-12-02 07:34:49,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:34:49,216 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 104 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:34:49,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 414 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:34:49,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-12-02 07:34:49,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-12-02 07:34:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 327 states have (on average 1.2782874617737003) internal successors, (418), 327 states have internal predecessors, (418), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 07:34:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 490 transitions. [2024-12-02 07:34:49,306 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 490 transitions. Word has length 147 [2024-12-02 07:34:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:34:49,306 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 490 transitions. [2024-12-02 07:34:49,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 07:34:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 490 transitions. [2024-12-02 07:34:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 07:34:49,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:34:49,307 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:34:49,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (27)] Ended with exit code 0 [2024-12-02 07:34:49,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:34:49,507 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:34:49,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:34:49,508 INFO L85 PathProgramCache]: Analyzing trace with hash -2142189727, now seen corresponding path program 1 times [2024-12-02 07:34:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:34:49,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925095813] [2024-12-02 07:34:49,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:34:49,508 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 [2024-12-02 07:34:49,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:34:49,510 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:34:49,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (28)] Waiting until timeout for monitored process [2024-12-02 07:34:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:34:49,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 07:34:49,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:35:03,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:35:06,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:35:08,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:35:14,921 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 72 treesize of output 54 [2024-12-02 07:35:14,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 80 [2024-12-02 07:35:15,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2024-12-02 07:35:17,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 97 [2024-12-02 07:35:18,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 100 [2024-12-02 07:35:19,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 100 [2024-12-02 07:35:23,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:35:23,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 114 [2024-12-02 07:35:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 244 proven. 77 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-02 07:35:24,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:58,074 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-02 07:38:58,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-12-02 07:38:58,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:58,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925095813] [2024-12-02 07:38:58,075 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-02 07:38:58,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 (28)] Ended with exit code 0 [2024-12-02 07:38:58,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:38:58,276 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-12-02 07:38:58,281 INFO L158 Benchmark]: Toolchain (without parser) took 847320.80ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 70.0MB in the beginning and 188.0MB in the end (delta: -118.1MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-12-02 07:38:58,281 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:38:58,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.21ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:38:58,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.34ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 50.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:38:58,282 INFO L158 Benchmark]: Boogie Preprocessor took 54.77ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 47.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:38:58,283 INFO L158 Benchmark]: RCFGBuilder took 704.39ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 43.0MB in the end (delta: 3.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-12-02 07:38:58,283 INFO L158 Benchmark]: TraceAbstraction took 846247.74ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 42.4MB in the beginning and 188.0MB in the end (delta: -145.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-12-02 07:38:58,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.21ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.34ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 50.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.77ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 47.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 704.39ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 43.0MB in the end (delta: 3.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 846247.74ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 42.4MB in the beginning and 188.0MB in the end (delta: -145.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6561dc05-be01-43a7-b929-6a98af6302e0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")