./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/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_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:35:00,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:35:00,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:35:00,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:35:00,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:35:00,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:35:00,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:35:00,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:35:00,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:35:00,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:35:00,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:35:00,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:35:00,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:35:00,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:35:00,846 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:35:00,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:35:00,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:35:00,848 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:35:00,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:00,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:35:00,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:00,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:35:00,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:35:00,851 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-11-24 00:35:01,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:35:01,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:35:01,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:35:01,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:35:01,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:35:01,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:04,283 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/7aa481dbf/34374c009d644d349a4028324f9315f0/FLAGab92f9664 [2024-11-24 00:35:04,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:35:04,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:04,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/7aa481dbf/34374c009d644d349a4028324f9315f0/FLAGab92f9664 [2024-11-24 00:35:04,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/7aa481dbf/34374c009d644d349a4028324f9315f0 [2024-11-24 00:35:04,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:35:04,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:35:04,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:35:04,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:35:04,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:35:04,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:04" (1/1) ... [2024-11-24 00:35:04,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236faed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:04, skipping insertion in model container [2024-11-24 00:35:04,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:04" (1/1) ... [2024-11-24 00:35:04,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:35:05,076 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-24 00:35:05,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:35:05,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:35:05,179 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-24 00:35:05,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:35:05,250 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:35:05,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05 WrapperNode [2024-11-24 00:35:05,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:35:05,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:35:05,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:35:05,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:35:05,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,314 INFO L138 Inliner]: procedures = 30, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-24 00:35:05,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:35:05,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:35:05,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:35:05,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:35:05,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,336 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-24 00:35:05,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:35:05,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:35:05,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:35:05,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:35:05,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (1/1) ... [2024-11-24 00:35:05,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:35:05,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:35:05,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:35:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:35:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:35:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:35:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:35:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:35:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:35:05,615 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:35:05,618 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:35:06,279 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-24 00:35:06,279 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:35:06,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:35:06,296 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:35:06,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:06 BoogieIcfgContainer [2024-11-24 00:35:06,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:35:06,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:35:06,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:35:06,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:35:06,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:35:04" (1/3) ... [2024-11-24 00:35:06,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29558239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:06, skipping insertion in model container [2024-11-24 00:35:06,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:05" (2/3) ... [2024-11-24 00:35:06,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29558239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:06, skipping insertion in model container [2024-11-24 00:35:06,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:06" (3/3) ... [2024-11-24 00:35:06,312 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:06,334 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:35:06,335 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. [2024-11-24 00:35:06,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:35:06,425 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;@8fe4b76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:35:06,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:35:06,431 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) [2024-11-24 00:35:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:35:06,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:06,448 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] [2024-11-24 00:35:06,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1864968781, now seen corresponding path program 1 times [2024-11-24 00:35:06,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:06,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878919442] [2024-11-24 00:35:06,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 00:35:07,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:07,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878919442] [2024-11-24 00:35:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878919442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:35:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90258817] [2024-11-24 00:35:07,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:35:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:35:07,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:35:07,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:35:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:07,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:35:07,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 00:35:07,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:07,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90258817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:07,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:35:07,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:35:07,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558934750] [2024-11-24 00:35:07,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:07,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:35:07,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:07,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:35:07,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:35:07,478 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) [2024-11-24 00:35:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:07,522 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-11-24 00:35:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:35:07,525 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 [2024-11-24 00:35:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:07,533 INFO L225 Difference]: With dead ends: 187 [2024-11-24 00:35:07,533 INFO L226 Difference]: Without dead ends: 93 [2024-11-24 00:35:07,537 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 [2024-11-24 00:35:07,542 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 [2024-11-24 00:35:07,543 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] [2024-11-24 00:35:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-24 00:35:07,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-24 00:35:07,587 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) [2024-11-24 00:35:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-24 00:35:07,601 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-11-24 00:35:07,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:07,601 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-24 00:35:07,603 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) [2024-11-24 00:35:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-24 00:35:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:35:07,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:07,607 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] [2024-11-24 00:35:07,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:35:07,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:35:07,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:07,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:07,810 INFO L85 PathProgramCache]: Analyzing trace with hash -367330217, now seen corresponding path program 1 times [2024-11-24 00:35:07,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:07,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846073295] [2024-11-24 00:35:07,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:09,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:09,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846073295] [2024-11-24 00:35:09,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846073295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:09,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:09,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:35:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859821905] [2024-11-24 00:35:09,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:09,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:35:09,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:09,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:35:09,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:35:09,263 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) [2024-11-24 00:35:09,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:09,707 INFO L93 Difference]: Finished difference Result 274 states and 400 transitions. [2024-11-24 00:35:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:35:09,708 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 [2024-11-24 00:35:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:09,710 INFO L225 Difference]: With dead ends: 274 [2024-11-24 00:35:09,710 INFO L226 Difference]: Without dead ends: 184 [2024-11-24 00:35:09,711 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 [2024-11-24 00:35:09,714 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:09,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:35:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-24 00:35:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 153. [2024-11-24 00:35:09,766 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) [2024-11-24 00:35:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 221 transitions. [2024-11-24 00:35:09,771 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 221 transitions. Word has length 134 [2024-11-24 00:35:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:09,772 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 221 transitions. [2024-11-24 00:35:09,772 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) [2024-11-24 00:35:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 221 transitions. [2024-11-24 00:35:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:35:09,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:09,779 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] [2024-11-24 00:35:09,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:35:09,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:09,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:09,780 INFO L85 PathProgramCache]: Analyzing trace with hash 686354215, now seen corresponding path program 1 times [2024-11-24 00:35:09,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:09,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658345709] [2024-11-24 00:35:09,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:10,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:10,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658345709] [2024-11-24 00:35:10,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658345709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:10,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:10,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:35:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506004274] [2024-11-24 00:35:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:10,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:35:10,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:10,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:35:10,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:35:10,059 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) [2024-11-24 00:35:10,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:10,113 INFO L93 Difference]: Finished difference Result 246 states and 357 transitions. [2024-11-24 00:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:35:10,113 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 [2024-11-24 00:35:10,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:10,115 INFO L225 Difference]: With dead ends: 246 [2024-11-24 00:35:10,116 INFO L226 Difference]: Without dead ends: 156 [2024-11-24 00:35:10,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:35:10,117 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 [2024-11-24 00:35:10,117 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] [2024-11-24 00:35:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-24 00:35:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-24 00:35:10,148 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) [2024-11-24 00:35:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 223 transitions. [2024-11-24 00:35:10,151 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 223 transitions. Word has length 141 [2024-11-24 00:35:10,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:10,153 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 223 transitions. [2024-11-24 00:35:10,153 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) [2024-11-24 00:35:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 223 transitions. [2024-11-24 00:35:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:35:10,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:10,159 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] [2024-11-24 00:35:10,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:35:10,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:10,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 688201257, now seen corresponding path program 1 times [2024-11-24 00:35:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556584058] [2024-11-24 00:35:10,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:11,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:11,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556584058] [2024-11-24 00:35:11,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556584058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:11,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:11,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:35:11,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004190152] [2024-11-24 00:35:11,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:11,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:35:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:11,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:35:11,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:35:11,995 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) [2024-11-24 00:35:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:12,976 INFO L93 Difference]: Finished difference Result 311 states and 451 transitions. [2024-11-24 00:35:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:35:12,976 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 [2024-11-24 00:35:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:12,979 INFO L225 Difference]: With dead ends: 311 [2024-11-24 00:35:12,979 INFO L226 Difference]: Without dead ends: 219 [2024-11-24 00:35:12,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:35:12,983 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 275 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:12,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 432 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:35:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-24 00:35:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 190. [2024-11-24 00:35:13,030 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) [2024-11-24 00:35:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 276 transitions. [2024-11-24 00:35:13,032 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 276 transitions. Word has length 141 [2024-11-24 00:35:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:13,033 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 276 transitions. [2024-11-24 00:35:13,033 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) [2024-11-24 00:35:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2024-11-24 00:35:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:35:13,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:13,036 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] [2024-11-24 00:35:13,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:35:13,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:13,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash 946366695, now seen corresponding path program 1 times [2024-11-24 00:35:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:13,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058142544] [2024-11-24 00:35:13,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:13,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:15,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:15,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058142544] [2024-11-24 00:35:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058142544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:15,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:15,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:35:15,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56568396] [2024-11-24 00:35:15,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:15,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:35:15,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:15,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:35:15,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:35:15,077 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) [2024-11-24 00:35:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:16,068 INFO L93 Difference]: Finished difference Result 343 states and 499 transitions. [2024-11-24 00:35:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:35:16,069 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 [2024-11-24 00:35:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:16,072 INFO L225 Difference]: With dead ends: 343 [2024-11-24 00:35:16,073 INFO L226 Difference]: Without dead ends: 230 [2024-11-24 00:35:16,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:35:16,075 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 258 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:16,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 491 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:35:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-24 00:35:16,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2024-11-24 00:35:16,132 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) [2024-11-24 00:35:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 262 transitions. [2024-11-24 00:35:16,136 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 262 transitions. Word has length 141 [2024-11-24 00:35:16,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:16,138 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 262 transitions. [2024-11-24 00:35:16,138 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) [2024-11-24 00:35:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 262 transitions. [2024-11-24 00:35:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:35:16,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:16,144 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] [2024-11-24 00:35:16,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:35:16,144 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:16,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:16,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1170047832, now seen corresponding path program 1 times [2024-11-24 00:35:16,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:16,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284341073] [2024-11-24 00:35:16,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:16,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:16,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284341073] [2024-11-24 00:35:16,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284341073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:16,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:16,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:35:16,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709452730] [2024-11-24 00:35:16,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:16,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:35:16,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:16,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:35:16,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:35:16,821 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) [2024-11-24 00:35:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:17,271 INFO L93 Difference]: Finished difference Result 336 states and 489 transitions. [2024-11-24 00:35:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:35:17,271 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 [2024-11-24 00:35:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:17,273 INFO L225 Difference]: With dead ends: 336 [2024-11-24 00:35:17,275 INFO L226 Difference]: Without dead ends: 223 [2024-11-24 00:35:17,276 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 [2024-11-24 00:35:17,277 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 38 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:17,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 370 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:35:17,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-24 00:35:17,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 197. [2024-11-24 00:35:17,312 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) [2024-11-24 00:35:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 287 transitions. [2024-11-24 00:35:17,314 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 287 transitions. Word has length 144 [2024-11-24 00:35:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:17,316 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 287 transitions. [2024-11-24 00:35:17,316 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) [2024-11-24 00:35:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 287 transitions. [2024-11-24 00:35:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:35:17,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:17,318 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] [2024-11-24 00:35:17,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:35:17,318 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:17,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:17,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1871112410, now seen corresponding path program 1 times [2024-11-24 00:35:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537366901] [2024-11-24 00:35:17,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:18,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:18,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537366901] [2024-11-24 00:35:18,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537366901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:18,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:18,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:35:18,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032397182] [2024-11-24 00:35:18,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:18,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:35:18,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:18,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:35:18,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:35:18,128 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) [2024-11-24 00:35:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:18,802 INFO L93 Difference]: Finished difference Result 395 states and 577 transitions. [2024-11-24 00:35:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:35:18,802 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 [2024-11-24 00:35:18,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:18,804 INFO L225 Difference]: With dead ends: 395 [2024-11-24 00:35:18,805 INFO L226 Difference]: Without dead ends: 268 [2024-11-24 00:35:18,805 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 [2024-11-24 00:35:18,806 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 238 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:18,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 275 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:35:18,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-24 00:35:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 241. [2024-11-24 00:35:18,836 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) [2024-11-24 00:35:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 353 transitions. [2024-11-24 00:35:18,839 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 353 transitions. Word has length 144 [2024-11-24 00:35:18,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:18,840 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 353 transitions. [2024-11-24 00:35:18,840 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) [2024-11-24 00:35:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 353 transitions. [2024-11-24 00:35:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:35:18,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:18,842 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] [2024-11-24 00:35:18,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:35:18,842 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:18,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:18,843 INFO L85 PathProgramCache]: Analyzing trace with hash -824096874, now seen corresponding path program 1 times [2024-11-24 00:35:18,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:18,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438350442] [2024-11-24 00:35:18,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:21,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:21,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438350442] [2024-11-24 00:35:21,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438350442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:21,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:21,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:35:21,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821328441] [2024-11-24 00:35:21,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:21,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:35:21,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:21,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:35:21,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:35:21,566 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) [2024-11-24 00:35:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:22,777 INFO L93 Difference]: Finished difference Result 520 states and 766 transitions. [2024-11-24 00:35:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:35:22,778 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 [2024-11-24 00:35:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:22,783 INFO L225 Difference]: With dead ends: 520 [2024-11-24 00:35:22,783 INFO L226 Difference]: Without dead ends: 350 [2024-11-24 00:35:22,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:35:22,785 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 179 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:22,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 378 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:35:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-24 00:35:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 270. [2024-11-24 00:35:22,830 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) [2024-11-24 00:35:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 396 transitions. [2024-11-24 00:35:22,833 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 396 transitions. Word has length 144 [2024-11-24 00:35:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:22,833 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 396 transitions. [2024-11-24 00:35:22,836 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) [2024-11-24 00:35:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 396 transitions. [2024-11-24 00:35:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:35:22,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:22,839 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] [2024-11-24 00:35:22,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:35:22,839 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:22,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:22,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2089967128, now seen corresponding path program 1 times [2024-11-24 00:35:22,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:22,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462459261] [2024-11-24 00:35:22,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:24,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:24,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462459261] [2024-11-24 00:35:24,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462459261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:24,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:35:24,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318175233] [2024-11-24 00:35:24,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:24,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:35:24,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:24,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:35:24,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:35:24,543 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) [2024-11-24 00:35:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:25,433 INFO L93 Difference]: Finished difference Result 521 states and 760 transitions. [2024-11-24 00:35:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:35:25,434 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 [2024-11-24 00:35:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:25,436 INFO L225 Difference]: With dead ends: 521 [2024-11-24 00:35:25,436 INFO L226 Difference]: Without dead ends: 341 [2024-11-24 00:35:25,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:35:25,440 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 267 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:25,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 464 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:35:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-24 00:35:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 299. [2024-11-24 00:35:25,507 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) [2024-11-24 00:35:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 438 transitions. [2024-11-24 00:35:25,513 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 438 transitions. Word has length 144 [2024-11-24 00:35:25,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:25,514 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 438 transitions. [2024-11-24 00:35:25,514 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) [2024-11-24 00:35:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 438 transitions. [2024-11-24 00:35:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:35:25,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:25,517 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] [2024-11-24 00:35:25,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:35:25,517 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:25,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2129346889, now seen corresponding path program 1 times [2024-11-24 00:35:25,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318792359] [2024-11-24 00:35:25,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:25,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318792359] [2024-11-24 00:35:25,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318792359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:25,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:35:25,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658043015] [2024-11-24 00:35:25,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:25,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:35:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:25,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:35:25,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:35:25,980 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) [2024-11-24 00:35:26,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:26,252 INFO L93 Difference]: Finished difference Result 560 states and 817 transitions. [2024-11-24 00:35:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:35:26,253 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 [2024-11-24 00:35:26,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:26,255 INFO L225 Difference]: With dead ends: 560 [2024-11-24 00:35:26,255 INFO L226 Difference]: Without dead ends: 354 [2024-11-24 00:35:26,256 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 [2024-11-24 00:35:26,256 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 96 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-24 00:35:26,256 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] [2024-11-24 00:35:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-24 00:35:26,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 308. [2024-11-24 00:35:26,291 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) [2024-11-24 00:35:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 449 transitions. [2024-11-24 00:35:26,294 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 449 transitions. Word has length 145 [2024-11-24 00:35:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:26,294 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 449 transitions. [2024-11-24 00:35:26,294 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) [2024-11-24 00:35:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 449 transitions. [2024-11-24 00:35:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:35:26,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:26,296 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] [2024-11-24 00:35:26,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:35:26,297 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:26,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:26,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1731041970, now seen corresponding path program 1 times [2024-11-24 00:35:26,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:26,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823004104] [2024-11-24 00:35:26,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:29,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:29,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823004104] [2024-11-24 00:35:29,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823004104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:29,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:29,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:35:29,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436453831] [2024-11-24 00:35:29,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:29,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:35:29,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:29,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:35:29,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:35:29,252 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) [2024-11-24 00:35:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:30,583 INFO L93 Difference]: Finished difference Result 631 states and 921 transitions. [2024-11-24 00:35:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:35:30,584 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 [2024-11-24 00:35:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:30,586 INFO L225 Difference]: With dead ends: 631 [2024-11-24 00:35:30,587 INFO L226 Difference]: Without dead ends: 416 [2024-11-24 00:35:30,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:35:30,591 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 357 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:30,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 309 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:35:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-24 00:35:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 329. [2024-11-24 00:35:30,638 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) [2024-11-24 00:35:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 481 transitions. [2024-11-24 00:35:30,641 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 481 transitions. Word has length 147 [2024-11-24 00:35:30,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:30,642 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 481 transitions. [2024-11-24 00:35:30,642 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) [2024-11-24 00:35:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 481 transitions. [2024-11-24 00:35:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:35:30,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:30,649 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] [2024-11-24 00:35:30,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:35:30,649 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:30,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:30,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2109166017, now seen corresponding path program 1 times [2024-11-24 00:35:30,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:30,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727949011] [2024-11-24 00:35:30,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:30,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:30,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:30,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727949011] [2024-11-24 00:35:30,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727949011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:30,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:30,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:35:30,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516796658] [2024-11-24 00:35:30,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:30,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:35:30,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:30,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:35:30,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:35:30,754 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) [2024-11-24 00:35:30,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:30,813 INFO L93 Difference]: Finished difference Result 553 states and 810 transitions. [2024-11-24 00:35:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:35:30,814 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 [2024-11-24 00:35:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:30,817 INFO L225 Difference]: With dead ends: 553 [2024-11-24 00:35:30,817 INFO L226 Difference]: Without dead ends: 330 [2024-11-24 00:35:30,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:35:30,819 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 [2024-11-24 00:35:30,819 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] [2024-11-24 00:35:30,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-24 00:35:30,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-24 00:35:30,862 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) [2024-11-24 00:35:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 482 transitions. [2024-11-24 00:35:30,864 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 482 transitions. Word has length 147 [2024-11-24 00:35:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:30,867 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 482 transitions. [2024-11-24 00:35:30,867 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) [2024-11-24 00:35:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 482 transitions. [2024-11-24 00:35:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:35:30,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:30,870 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] [2024-11-24 00:35:30,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:35:30,871 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:30,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:30,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1927635841, now seen corresponding path program 1 times [2024-11-24 00:35:30,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:30,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851538842] [2024-11-24 00:35:30,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:30,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-24 00:35:31,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:35:31,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851538842] [2024-11-24 00:35:31,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851538842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:35:31,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206187795] [2024-11-24 00:35:31,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:31,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:35:31,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:35:31,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:35:31,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:35:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:31,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:35:31,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:31,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206187795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:31,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:35:31,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-24 00:35:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123569897] [2024-11-24 00:35:31,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:31,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:35:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:35:31,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:35:31,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:35:31,528 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) [2024-11-24 00:35:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:31,628 INFO L93 Difference]: Finished difference Result 558 states and 815 transitions. [2024-11-24 00:35:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:35:31,629 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 [2024-11-24 00:35:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:31,631 INFO L225 Difference]: With dead ends: 558 [2024-11-24 00:35:31,631 INFO L226 Difference]: Without dead ends: 334 [2024-11-24 00:35:31,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:35:31,633 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:31,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 644 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:35:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-24 00:35:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 331. [2024-11-24 00:35:31,671 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) [2024-11-24 00:35:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 483 transitions. [2024-11-24 00:35:31,674 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 483 transitions. Word has length 147 [2024-11-24 00:35:31,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:31,674 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 483 transitions. [2024-11-24 00:35:31,675 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) [2024-11-24 00:35:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 483 transitions. [2024-11-24 00:35:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:35:31,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:31,677 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] [2024-11-24 00:35:31,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:35:31,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-24 00:35:31,877 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:31,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:31,878 INFO L85 PathProgramCache]: Analyzing trace with hash -240080967, now seen corresponding path program 1 times [2024-11-24 00:35:31,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:35:31,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492495468] [2024-11-24 00:35:31,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:35:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:35:32,132 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:35:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:35:32,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:35:32,388 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:35:32,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:35:32,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:35:32,395 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:35:32,606 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:35:32,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:35:32 BoogieIcfgContainer [2024-11-24 00:35:32,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:35:32,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:35:32,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:35:32,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:35:32,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:06" (3/4) ... [2024-11-24 00:35:32,613 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:35:32,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:35:32,615 INFO L158 Benchmark]: Toolchain (without parser) took 27732.82ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 117.2MB in the beginning and 394.5MB in the end (delta: -277.3MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-11-24 00:35:32,615 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:35:32,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.22ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 101.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:35:32,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.80ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 99.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:35:32,616 INFO L158 Benchmark]: Boogie Preprocessor took 59.12ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:35:32,616 INFO L158 Benchmark]: RCFGBuilder took 920.70ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 65.8MB in the end (delta: 30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:35:32,616 INFO L158 Benchmark]: TraceAbstraction took 26307.64ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 65.1MB in the beginning and 394.6MB in the end (delta: -329.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-24 00:35:32,617 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 511.7MB. Free memory was 394.6MB in the beginning and 394.5MB in the end (delta: 105.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:35:32,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.22ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 101.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.80ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 99.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.12ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 920.70ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 65.8MB in the end (delta: 30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26307.64ms. Allocated memory was 142.6MB in the beginning and 511.7MB in the end (delta: 369.1MB). Free memory was 65.1MB in the beginning and 394.6MB in the end (delta: -329.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 511.7MB. Free memory was 394.6MB in the beginning and 394.5MB in the end (delta: 105.4kB). 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: 26.0s, OverallIterations: 14, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1802 mSDsluCounter, 4813 SdHoareTripleChecker+Invalid, 5.1s 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, 1.9s 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: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 422 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 13.9s 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 [2024-11-24 00:35:32,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/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_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:35:35,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:35:35,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:35:35,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:35:35,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:35:35,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:35:35,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:35:35,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:35:35,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:35:35,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:35:35,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:35:35,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:35:35,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:35:35,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:35:35,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:35:35,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:35:35,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:35:35,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:35:35,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:35,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:35,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:35:35,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:35:35,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:35:35,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:35:35,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:35:35,485 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-11-24 00:35:35,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:35:35,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:35:35,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:35:35,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:35:35,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:35:35,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:41,058 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/dc56e6716/9e5db3004ae84547ba24832580c5cf35/FLAG17a830cb4 [2024-11-24 00:35:41,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:35:41,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:41,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/dc56e6716/9e5db3004ae84547ba24832580c5cf35/FLAG17a830cb4 [2024-11-24 00:35:41,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/data/dc56e6716/9e5db3004ae84547ba24832580c5cf35 [2024-11-24 00:35:41,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:35:41,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:35:41,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:35:41,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:35:41,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:35:41,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3001055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41, skipping insertion in model container [2024-11-24 00:35:41,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:35:41,595 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-24 00:35:41,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:35:41,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:35:41,704 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_d4766e8c-cbd2-4832-b304-d9941135d9d6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-24 00:35:41,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:35:41,789 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:35:41,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41 WrapperNode [2024-11-24 00:35:41,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:35:41,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:35:41,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:35:41,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:35:41,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,881 INFO L138 Inliner]: procedures = 34, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-11-24 00:35:41,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:35:41,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:35:41,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:35:41,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:35:41,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,923 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]. [2024-11-24 00:35:41,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:35:41,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:35:41,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:35:41,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:35:41,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (1/1) ... [2024-11-24 00:35:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:35:42,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:35:42,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:35:42,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:35:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:35:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-24 00:35:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:35:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:35:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:35:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:35:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:35:42,251 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:35:42,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:35:43,230 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-24 00:35:43,230 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:35:43,251 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:35:43,252 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:35:43,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:43 BoogieIcfgContainer [2024-11-24 00:35:43,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:35:43,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:35:43,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:35:43,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:35:43,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:35:41" (1/3) ... [2024-11-24 00:35:43,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688ce24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:43, skipping insertion in model container [2024-11-24 00:35:43,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:41" (2/3) ... [2024-11-24 00:35:43,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688ce24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:43, skipping insertion in model container [2024-11-24 00:35:43,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:43" (3/3) ... [2024-11-24 00:35:43,264 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-24 00:35:43,284 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:35:43,285 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. [2024-11-24 00:35:43,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:35:43,364 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;@7e89ef73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:35:43,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:35:43,368 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) [2024-11-24 00:35:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:35:43,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:43,380 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] [2024-11-24 00:35:43,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:43,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1840313941, now seen corresponding path program 1 times [2024-11-24 00:35:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:35:43,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105574401] [2024-11-24 00:35:43,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:43,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:35:43,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:35:43,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:35:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:43,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:35:43,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-24 00:35:43,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:43,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:35:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105574401] [2024-11-24 00:35:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105574401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:43,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:43,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:35:43,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400382030] [2024-11-24 00:35:43,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:43,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:35:43,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:35:43,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:35:43,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:35:43,972 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) [2024-11-24 00:35:44,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:44,017 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-11-24 00:35:44,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:35:44,020 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 [2024-11-24 00:35:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:44,029 INFO L225 Difference]: With dead ends: 187 [2024-11-24 00:35:44,030 INFO L226 Difference]: Without dead ends: 93 [2024-11-24 00:35:44,035 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 [2024-11-24 00:35:44,039 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 [2024-11-24 00:35:44,043 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] [2024-11-24 00:35:44,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-24 00:35:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-24 00:35:44,101 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) [2024-11-24 00:35:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-24 00:35:44,111 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-11-24 00:35:44,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:44,112 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-24 00:35:44,112 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) [2024-11-24 00:35:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-24 00:35:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:35:44,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:44,120 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] [2024-11-24 00:35:44,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:35:44,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:44,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:44,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash -957014791, now seen corresponding path program 1 times [2024-11-24 00:35:44,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:35:44,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715947846] [2024-11-24 00:35:44,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:44,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:35:44,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:35:44,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:35:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:44,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:35:44,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:44,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:44,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:35:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715947846] [2024-11-24 00:35:44,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715947846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:44,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:44,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:35:44,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088496337] [2024-11-24 00:35:44,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:44,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:35:44,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:35:44,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:35:44,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:35:44,802 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) [2024-11-24 00:35:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:44,917 INFO L93 Difference]: Finished difference Result 188 states and 274 transitions. [2024-11-24 00:35:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:35:44,918 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 [2024-11-24 00:35:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:44,920 INFO L225 Difference]: With dead ends: 188 [2024-11-24 00:35:44,923 INFO L226 Difference]: Without dead ends: 98 [2024-11-24 00:35:44,924 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 [2024-11-24 00:35:44,925 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:44,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 507 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:35:44,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-24 00:35:44,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-24 00:35:44,943 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) [2024-11-24 00:35:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-11-24 00:35:44,945 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 134 [2024-11-24 00:35:44,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:44,948 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-11-24 00:35:44,949 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) [2024-11-24 00:35:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-11-24 00:35:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:35:44,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:44,954 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] [2024-11-24 00:35:44,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:35:45,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:45,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:45,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash -955167749, now seen corresponding path program 1 times [2024-11-24 00:35:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:35:45,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384297768] [2024-11-24 00:35:45,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:35:45,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:35:45,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:35:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:45,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:35:45,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:45,669 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 72 treesize of output 71 [2024-11-24 00:35:45,904 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 [2024-11-24 00:35:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:35:46,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:46,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:35:46,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384297768] [2024-11-24 00:35:46,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384297768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:46,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:46,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:35:46,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146762950] [2024-11-24 00:35:46,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:46,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:35:46,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:35:46,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:35:46,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:35:46,912 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) [2024-11-24 00:35:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:35:49,640 INFO L93 Difference]: Finished difference Result 286 states and 412 transitions. [2024-11-24 00:35:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:35:49,641 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 [2024-11-24 00:35:49,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:35:49,644 INFO L225 Difference]: With dead ends: 286 [2024-11-24 00:35:49,644 INFO L226 Difference]: Without dead ends: 192 [2024-11-24 00:35:49,644 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 [2024-11-24 00:35:49,645 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 82 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:35:49,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 301 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 00:35:49,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-24 00:35:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157. [2024-11-24 00:35:49,725 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) [2024-11-24 00:35:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-11-24 00:35:49,732 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 134 [2024-11-24 00:35:49,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:35:49,732 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-11-24 00:35:49,732 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) [2024-11-24 00:35:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-11-24 00:35:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:35:49,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:35:49,738 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] [2024-11-24 00:35:49,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:35:49,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:49,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:35:49,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:35:49,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1705869233, now seen corresponding path program 1 times [2024-11-24 00:35:49,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:35:49,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755867672] [2024-11-24 00:35:49,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:35:49,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:35:49,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:35:49,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:35:49,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:35:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:35:50,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 00:35:50,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:35:50,629 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 [2024-11-24 00:35:51,662 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 [2024-11-24 00:35:52,434 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 [2024-11-24 00:35:53,215 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 [2024-11-24 00:35:54,160 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 [2024-11-24 00:35:55,228 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 [2024-11-24 00:35:56,052 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 [2024-11-24 00:35:56,947 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 [2024-11-24 00:35:57,726 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 [2024-11-24 00:35:59,077 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 [2024-11-24 00:35:59,088 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 [2024-11-24 00:35:59,396 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 [2024-11-24 00:36:00,275 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 [2024-11-24 00:36:00,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:36:00,664 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 [2024-11-24 00:36:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 361 proven. 170 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-24 00:36:01,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:36:05,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:36:05,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755867672] [2024-11-24 00:36:05,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755867672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:36:05,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [732390188] [2024-11-24 00:36:05,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:36:05,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:36:05,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:36:05,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 00:36:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:06,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 00:36:06,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:09,734 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 [2024-11-24 00:36:09,744 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 [2024-11-24 00:36:09,770 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 [2024-11-24 00:36:10,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-24 00:36:10,405 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 [2024-11-24 00:36:10,597 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 [2024-11-24 00:36:10,930 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 [2024-11-24 00:36:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:36:11,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:36:11,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [732390188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:36:11,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:36:11,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 24 [2024-11-24 00:36:11,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089670136] [2024-11-24 00:36:11,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:36:11,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:36:11,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:36:11,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:36:11,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2024-11-24 00:36:11,296 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) [2024-11-24 00:36:12,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:36:12,931 INFO L93 Difference]: Finished difference Result 317 states and 457 transitions. [2024-11-24 00:36:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:36:12,932 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 [2024-11-24 00:36:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:36:12,936 INFO L225 Difference]: With dead ends: 317 [2024-11-24 00:36:12,936 INFO L226 Difference]: Without dead ends: 223 [2024-11-24 00:36:12,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:36:12,942 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 256 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:36:12,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 432 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:36:12,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-24 00:36:13,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 192. [2024-11-24 00:36:13,002 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) [2024-11-24 00:36:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-11-24 00:36:13,004 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-11-24 00:36:13,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:36:13,004 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-11-24 00:36:13,007 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) [2024-11-24 00:36:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-11-24 00:36:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:36:13,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:36:13,013 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] [2024-11-24 00:36:13,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 00:36:13,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 00:36:13,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:13,414 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:36:13,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:36:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1447703795, now seen corresponding path program 1 times [2024-11-24 00:36:13,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:36:13,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147336635] [2024-11-24 00:36:13,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:13,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:13,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:36:13,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:36:13,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-24 00:36:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:13,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 00:36:13,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:13,937 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 [2024-11-24 00:36:14,593 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 [2024-11-24 00:36:15,274 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 [2024-11-24 00:36:16,020 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 [2024-11-24 00:36:16,926 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 [2024-11-24 00:36:17,851 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 [2024-11-24 00:36:18,894 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 [2024-11-24 00:36:19,768 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 [2024-11-24 00:36:20,870 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 [2024-11-24 00:36:22,557 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 [2024-11-24 00:36:22,576 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 [2024-11-24 00:36:22,978 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 [2024-11-24 00:36:23,926 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 [2024-11-24 00:36:24,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:36:24,503 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 [2024-11-24 00:36:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-24 00:36:25,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:36:29,478 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:36:29,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147336635] [2024-11-24 00:36:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147336635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:36:29,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2102931857] [2024-11-24 00:36:29,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:29,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:36:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:36:29,480 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:36:29,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 00:36:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:29,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 00:36:29,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:33,279 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 [2024-11-24 00:36:33,285 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 [2024-11-24 00:36:33,304 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 [2024-11-24 00:36:33,761 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 [2024-11-24 00:36:33,978 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 [2024-11-24 00:36:34,215 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 [2024-11-24 00:36:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:36:34,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:36:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2102931857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:36:34,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:36:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-11-24 00:36:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982451604] [2024-11-24 00:36:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:36:34,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:36:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:36:34,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:36:34,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1046, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 00:36:34,904 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) [2024-11-24 00:36:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:36:36,794 INFO L93 Difference]: Finished difference Result 366 states and 527 transitions. [2024-11-24 00:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:36:36,798 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 [2024-11-24 00:36:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:36:36,800 INFO L225 Difference]: With dead ends: 366 [2024-11-24 00:36:36,801 INFO L226 Difference]: Without dead ends: 251 [2024-11-24 00:36:36,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2024-11-24 00:36:36,804 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 438 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:36:36,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 525 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:36:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-24 00:36:36,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 192. [2024-11-24 00:36:36,836 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) [2024-11-24 00:36:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-11-24 00:36:36,838 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-11-24 00:36:36,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:36:36,839 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-11-24 00:36:36,839 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) [2024-11-24 00:36:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-11-24 00:36:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:36:36,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:36:36,841 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] [2024-11-24 00:36:36,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-24 00:36:37,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 00:36:37,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:36:37,242 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:36:37,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:36:37,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1565320623, now seen corresponding path program 1 times [2024-11-24 00:36:37,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:36:37,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979270222] [2024-11-24 00:36:37,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:37,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:36:37,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:36:37,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 00:36:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:37,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 00:36:37,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:37,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:36:38,622 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 [2024-11-24 00:36:39,351 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 [2024-11-24 00:36:40,005 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 [2024-11-24 00:36:40,684 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 [2024-11-24 00:36:41,531 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 [2024-11-24 00:36:42,383 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 [2024-11-24 00:36:43,283 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 [2024-11-24 00:36:44,041 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 [2024-11-24 00:36:45,418 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 [2024-11-24 00:36:45,758 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 [2024-11-24 00:36:45,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:36:45,940 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 [2024-11-24 00:36:46,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:36:46,095 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 [2024-11-24 00:36:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 297 proven. 170 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 00:36:46,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:36:47,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:36:47,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979270222] [2024-11-24 00:36:47,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979270222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:36:47,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1279820779] [2024-11-24 00:36:47,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:47,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:36:47,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:36:47,085 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:36:47,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 00:36:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:47,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 00:36:47,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:51,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:36:51,780 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 [2024-11-24 00:36:51,924 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 [2024-11-24 00:36:52,046 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 [2024-11-24 00:36:52,324 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 [2024-11-24 00:36:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:36:52,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:36:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1279820779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:36:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:36:52,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 26 [2024-11-24 00:36:52,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443490058] [2024-11-24 00:36:52,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:36:52,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:36:52,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:36:52,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:36:52,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=924, Unknown=0, NotChecked=0, Total=1056 [2024-11-24 00:36:52,523 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) [2024-11-24 00:36:54,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:36:54,643 INFO L93 Difference]: Finished difference Result 363 states and 524 transitions. [2024-11-24 00:36:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:36:54,644 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 [2024-11-24 00:36:54,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:36:54,645 INFO L225 Difference]: With dead ends: 363 [2024-11-24 00:36:54,646 INFO L226 Difference]: Without dead ends: 248 [2024-11-24 00:36:54,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=188, Invalid=1294, Unknown=0, NotChecked=0, Total=1482 [2024-11-24 00:36:54,647 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 200 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:36:54,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 715 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:36:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-24 00:36:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-11-24 00:36:54,681 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) [2024-11-24 00:36:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 249 transitions. [2024-11-24 00:36:54,682 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 249 transitions. Word has length 141 [2024-11-24 00:36:54,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:36:54,683 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 249 transitions. [2024-11-24 00:36:54,683 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) [2024-11-24 00:36:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 249 transitions. [2024-11-24 00:36:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:36:54,685 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:36:54,685 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] [2024-11-24 00:36:54,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-24 00:36:54,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:36:55,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:36:55,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:36:55,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:36:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1643005562, now seen corresponding path program 1 times [2024-11-24 00:36:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:36:55,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615600684] [2024-11-24 00:36:55,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:55,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:55,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:36:55,089 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:36:55,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 00:36:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:55,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:36:55,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:36:55,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:36:55,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:36:55,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615600684] [2024-11-24 00:36:55,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615600684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:36:55,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:36:55,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:36:55,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959829730] [2024-11-24 00:36:55,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:36:55,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:36:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:36:55,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:36:55,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:36:55,439 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) [2024-11-24 00:36:56,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:36:56,144 INFO L93 Difference]: Finished difference Result 317 states and 456 transitions. [2024-11-24 00:36:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:36:56,145 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 [2024-11-24 00:36:56,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:36:56,147 INFO L225 Difference]: With dead ends: 317 [2024-11-24 00:36:56,147 INFO L226 Difference]: Without dead ends: 207 [2024-11-24 00:36:56,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:36:56,149 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:36:56,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 362 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:36:56,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-24 00:36:56,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 181. [2024-11-24 00:36:56,194 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) [2024-11-24 00:36:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 260 transitions. [2024-11-24 00:36:56,200 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 260 transitions. Word has length 144 [2024-11-24 00:36:56,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:36:56,200 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 260 transitions. [2024-11-24 00:36:56,201 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) [2024-11-24 00:36:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 260 transitions. [2024-11-24 00:36:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:36:56,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:36:56,204 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] [2024-11-24 00:36:56,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-24 00:36:56,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:56,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:36:56,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:36:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1950897156, now seen corresponding path program 1 times [2024-11-24 00:36:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:36:56,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188827192] [2024-11-24 00:36:56,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:36:56,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:36:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:36:56,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:36:56,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-24 00:36:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:36:56,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 00:36:56,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:36:57,071 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 [2024-11-24 00:36:57,786 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 [2024-11-24 00:36:58,554 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 [2024-11-24 00:36:59,377 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 [2024-11-24 00:37:00,327 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 [2024-11-24 00:37:01,369 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 57 treesize of output 57 [2024-11-24 00:37:02,403 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 [2024-11-24 00:37:03,677 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 [2024-11-24 00:37:04,882 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 [2024-11-24 00:37:06,684 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 [2024-11-24 00:37:06,692 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 [2024-11-24 00:37:06,806 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 [2024-11-24 00:37:08,046 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 [2024-11-24 00:37:08,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:37:08,583 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 [2024-11-24 00:37:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-24 00:37:09,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:13,941 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:37:13,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188827192] [2024-11-24 00:37:13,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188827192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:13,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2062325621] [2024-11-24 00:37:13,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:13,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:37:13,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:37:13,943 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:37:13,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 00:37:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:14,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:37:14,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:16,479 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 [2024-11-24 00:37:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:37:16,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:37:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2062325621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:37:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-11-24 00:37:16,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026514664] [2024-11-24 00:37:16,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:16,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:37:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:37:16,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:37:16,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2024-11-24 00:37:16,689 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) [2024-11-24 00:37:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:17,558 INFO L93 Difference]: Finished difference Result 346 states and 497 transitions. [2024-11-24 00:37:17,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:37:17,560 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 [2024-11-24 00:37:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:17,562 INFO L225 Difference]: With dead ends: 346 [2024-11-24 00:37:17,562 INFO L226 Difference]: Without dead ends: 228 [2024-11-24 00:37:17,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=141, Invalid=851, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:37:17,564 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 159 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:17,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 277 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:37:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-24 00:37:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 191. [2024-11-24 00:37:17,603 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) [2024-11-24 00:37:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 275 transitions. [2024-11-24 00:37:17,604 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 275 transitions. Word has length 144 [2024-11-24 00:37:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:17,604 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 275 transitions. [2024-11-24 00:37:17,605 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) [2024-11-24 00:37:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 275 transitions. [2024-11-24 00:37:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:37:17,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:17,605 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] [2024-11-24 00:37:17,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-24 00:37:17,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-24 00:37:18,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:37:18,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:18,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash -351139144, now seen corresponding path program 1 times [2024-11-24 00:37:18,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:37:18,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429253936] [2024-11-24 00:37:18,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:18,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:37:18,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:37:18,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:37:18,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-24 00:37:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:18,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 00:37:18,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:18,619 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 [2024-11-24 00:37:19,446 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 [2024-11-24 00:37:20,287 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 [2024-11-24 00:37:20,996 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 [2024-11-24 00:37:21,952 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 [2024-11-24 00:37:22,692 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 [2024-11-24 00:37:23,504 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 [2024-11-24 00:37:24,245 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 [2024-11-24 00:37:25,039 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 [2024-11-24 00:37:26,303 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 [2024-11-24 00:37:26,309 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 [2024-11-24 00:37:26,446 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 [2024-11-24 00:37:27,091 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 [2024-11-24 00:37:27,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:37:27,391 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 [2024-11-24 00:37:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 170 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-24 00:37:27,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:32,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:37:32,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429253936] [2024-11-24 00:37:32,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429253936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:32,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [532673410] [2024-11-24 00:37:32,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:32,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:37:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:37:32,399 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:37:32,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 00:37:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:33,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-24 00:37:33,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:33,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:37:34,561 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 [2024-11-24 00:37:35,536 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 [2024-11-24 00:37:36,416 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 [2024-11-24 00:37:37,521 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 [2024-11-24 00:37:38,450 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 [2024-11-24 00:37:39,613 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 [2024-11-24 00:37:40,933 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 [2024-11-24 00:37:42,287 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 [2024-11-24 00:37:44,040 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 [2024-11-24 00:37:44,049 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 [2024-11-24 00:37:44,398 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 [2024-11-24 00:37:45,371 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 [2024-11-24 00:37:45,931 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 [2024-11-24 00:37:46,604 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 [2024-11-24 00:37:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 416 proven. 128 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-24 00:37:47,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [532673410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:58,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:37:58,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-11-24 00:37:58,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522206464] [2024-11-24 00:37:58,232 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:37:58,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-24 00:37:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:37:58,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-24 00:37:58,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 00:37:58,233 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) [2024-11-24 00:38:19,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:25,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:28,507 INFO L93 Difference]: Finished difference Result 423 states and 605 transitions. [2024-11-24 00:38:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:38:28,509 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 [2024-11-24 00:38:28,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:28,511 INFO L225 Difference]: With dead ends: 423 [2024-11-24 00:38:28,511 INFO L226 Difference]: Without dead ends: 296 [2024-11-24 00:38:28,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2024-11-24 00:38:28,516 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1041 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s 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, 23.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:28,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 477 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 23.0s Time] [2024-11-24 00:38:28,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-24 00:38:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2024-11-24 00:38:28,586 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) [2024-11-24 00:38:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 354 transitions. [2024-11-24 00:38:28,588 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 354 transitions. Word has length 144 [2024-11-24 00:38:28,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:28,591 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 354 transitions. [2024-11-24 00:38:28,591 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) [2024-11-24 00:38:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2024-11-24 00:38:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:38:28,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:28,592 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] [2024-11-24 00:38:28,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-24 00:38:28,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-24 00:38:28,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:38:28,993 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:28,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:28,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1732042438, now seen corresponding path program 1 times [2024-11-24 00:38:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:38:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946150070] [2024-11-24 00:38:28,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:28,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:38:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:38:28,996 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:38:28,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-24 00:38:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:29,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-24 00:38:29,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:34,963 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 [2024-11-24 00:38:36,480 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 [2024-11-24 00:38:38,319 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 [2024-11-24 00:38:39,900 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 [2024-11-24 00:38:41,745 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 [2024-11-24 00:38:41,754 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 [2024-11-24 00:38:41,862 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 [2024-11-24 00:38:43,409 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 [2024-11-24 00:38:43,857 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 [2024-11-24 00:38:44,362 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 [2024-11-24 00:38:46,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:38:46,164 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 [2024-11-24 00:38:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 264 proven. 149 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-24 00:38:46,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:39:05,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:39:05,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946150070] [2024-11-24 00:39:05,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946150070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:39:05,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1385891706] [2024-11-24 00:39:05,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:39:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:39:05,348 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:39:05,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 00:39:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:06,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-24 00:39:06,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:39:12,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:39:14,758 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 [2024-11-24 00:39:17,915 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 [2024-11-24 00:39:19,698 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 [2024-11-24 00:39:21,662 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 [2024-11-24 00:39:21,671 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 [2024-11-24 00:39:21,756 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 [2024-11-24 00:39:23,968 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 [2024-11-24 00:39:24,640 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 [2024-11-24 00:39:25,450 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 [2024-11-24 00:39:27,520 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 [2024-11-24 00:39:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 149 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-24 00:39:27,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:39:36,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1385891706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:39:36,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:39:36,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 39 [2024-11-24 00:39:36,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893861588] [2024-11-24 00:39:36,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:39:36,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-24 00:39:36,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:39:36,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-24 00:39:36,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1857, Unknown=1, NotChecked=0, Total=2256 [2024-11-24 00:39:36,709 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) [2024-11-24 00:39:43,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:40:36,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:40:46,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:01,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:07,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:13,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:16,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:19,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:26,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:28,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:34,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:35,748 INFO L93 Difference]: Finished difference Result 722 states and 990 transitions. [2024-11-24 00:41:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-24 00:41:35,751 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 [2024-11-24 00:41:35,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:35,755 INFO L225 Difference]: With dead ends: 722 [2024-11-24 00:41:35,755 INFO L226 Difference]: Without dead ends: 561 [2024-11-24 00:41:35,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 303 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 69.1s TimeCoverageRelationStatistics Valid=1263, Invalid=4436, Unknown=1, NotChecked=0, Total=5700 [2024-11-24 00:41:35,758 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 1437 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 584 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.7s 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, 81.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:35,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1110 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2611 Invalid, 1 Unknown, 0 Unchecked, 81.1s Time] [2024-11-24 00:41:35,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-24 00:41:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 381. [2024-11-24 00:41:35,859 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) [2024-11-24 00:41:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 518 transitions. [2024-11-24 00:41:35,861 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 518 transitions. Word has length 144 [2024-11-24 00:41:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:35,862 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 518 transitions. [2024-11-24 00:41:35,862 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) [2024-11-24 00:41:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 518 transitions. [2024-11-24 00:41:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:41:35,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:35,864 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] [2024-11-24 00:41:35,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-24 00:41:36,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-24 00:41:36,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:36,265 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:36,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:36,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1670002824, now seen corresponding path program 1 times [2024-11-24 00:41:36,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:36,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005367372] [2024-11-24 00:41:36,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:36,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:36,267 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:36,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-24 00:41:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:36,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 00:41:36,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:48,049 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 [2024-11-24 00:41:50,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:41:52,807 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 [2024-11-24 00:41:55,458 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 [2024-11-24 00:41:58,786 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 [2024-11-24 00:41:58,803 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 [2024-11-24 00:41:59,293 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 [2024-11-24 00:42:00,726 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 [2024-11-24 00:42:01,344 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 [2024-11-24 00:42:02,261 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 [2024-11-24 00:42:04,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:42:04,995 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 [2024-11-24 00:42:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 208 proven. 128 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 00:42:05,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:42:32,134 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:42:32,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005367372] [2024-11-24 00:42:32,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005367372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:42:32,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1728919187] [2024-11-24 00:42:32,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:42:32,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:42:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:42:32,136 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:42:32,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 00:42:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:42:33,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-24 00:42:33,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:45,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:42:50,098 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 [2024-11-24 00:42:55,938 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 [2024-11-24 00:42:59,788 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 [2024-11-24 00:43:04,980 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 [2024-11-24 00:43:04,998 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 [2024-11-24 00:43:05,341 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 [2024-11-24 00:43:09,655 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 [2024-11-24 00:43:10,537 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 [2024-11-24 00:43:11,958 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 [2024-11-24 00:43:16,492 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 [2024-11-24 00:43:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 275 proven. 149 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-24 00:43:16,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:43:56,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1728919187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:43:56,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:43:56,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23] total 31 [2024-11-24 00:43:56,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379540795] [2024-11-24 00:43:56,775 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:43:56,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-24 00:43:56,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:43:56,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-24 00:43:56,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1274, Unknown=6, NotChecked=0, Total=1640 [2024-11-24 00:43:56,777 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) [2024-11-24 00:45:10,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:27,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:40,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:42,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:49,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:52,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:54,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:45:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:57,162 INFO L93 Difference]: Finished difference Result 905 states and 1229 transitions. [2024-11-24 00:45:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-24 00:45:57,164 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 [2024-11-24 00:45:57,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:57,168 INFO L225 Difference]: With dead ends: 905 [2024-11-24 00:45:57,168 INFO L226 Difference]: Without dead ends: 655 [2024-11-24 00:45:57,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 127.6s TimeCoverageRelationStatistics Valid=1411, Invalid=3985, Unknown=6, NotChecked=0, Total=5402 [2024-11-24 00:45:57,171 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1014 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 3294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:45:57,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1148 Invalid, 3294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2918 Invalid, 0 Unknown, 0 Unchecked, 67.5s Time] [2024-11-24 00:45:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-24 00:45:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 329. [2024-11-24 00:45:57,340 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) [2024-11-24 00:45:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 437 transitions. [2024-11-24 00:45:57,342 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 437 transitions. Word has length 144 [2024-11-24 00:45:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:57,342 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 437 transitions. [2024-11-24 00:45:57,342 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) [2024-11-24 00:45:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 437 transitions. [2024-11-24 00:45:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:45:57,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:57,344 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] [2024-11-24 00:45:57,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-24 00:45:57,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 00:45:57,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:45:57,744 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:57,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:57,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1952317151, now seen corresponding path program 1 times [2024-11-24 00:45:57,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:45:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380451834] [2024-11-24 00:45:57,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:45:57,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:45:57,748 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:45:57,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-24 00:45:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:58,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:45:58,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:45:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:45:58,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:45:58,221 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:45:58,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380451834] [2024-11-24 00:45:58,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380451834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:58,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:58,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:45:58,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920174964] [2024-11-24 00:45:58,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:58,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:45:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:45:58,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:45:58,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:45:58,223 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) [2024-11-24 00:46:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:00,143 INFO L93 Difference]: Finished difference Result 607 states and 820 transitions. [2024-11-24 00:46:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:46:00,144 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 [2024-11-24 00:46:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:00,147 INFO L225 Difference]: With dead ends: 607 [2024-11-24 00:46:00,147 INFO L226 Difference]: Without dead ends: 392 [2024-11-24 00:46:00,149 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 [2024-11-24 00:46:00,149 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:00,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 446 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 00:46:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-24 00:46:00,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 351. [2024-11-24 00:46:00,314 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) [2024-11-24 00:46:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 466 transitions. [2024-11-24 00:46:00,317 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 466 transitions. Word has length 145 [2024-11-24 00:46:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:00,318 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 466 transitions. [2024-11-24 00:46:00,318 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) [2024-11-24 00:46:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 466 transitions. [2024-11-24 00:46:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:46:00,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:00,319 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] [2024-11-24 00:46:00,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-24 00:46:00,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:00,520 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:00,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:00,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1062786467, now seen corresponding path program 1 times [2024-11-24 00:46:00,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:46:00,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316302879] [2024-11-24 00:46:00,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:00,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:00,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:46:00,523 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:46:00,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-24 00:46:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:00,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:46:00,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:46:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:46:01,082 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:46:01,082 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:46:01,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316302879] [2024-11-24 00:46:01,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316302879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:01,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:01,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:46:01,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627311555] [2024-11-24 00:46:01,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:01,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:46:01,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:46:01,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:46:01,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:46:01,084 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) [2024-11-24 00:46:03,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:03,015 INFO L93 Difference]: Finished difference Result 625 states and 839 transitions. [2024-11-24 00:46:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:46:03,017 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 [2024-11-24 00:46:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:03,019 INFO L225 Difference]: With dead ends: 625 [2024-11-24 00:46:03,019 INFO L226 Difference]: Without dead ends: 392 [2024-11-24 00:46:03,021 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 [2024-11-24 00:46:03,021 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 42 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:03,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 432 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 00:46:03,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-24 00:46:03,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 363. [2024-11-24 00:46:03,172 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) [2024-11-24 00:46:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 479 transitions. [2024-11-24 00:46:03,173 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 479 transitions. Word has length 145 [2024-11-24 00:46:03,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:03,174 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 479 transitions. [2024-11-24 00:46:03,174 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) [2024-11-24 00:46:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 479 transitions. [2024-11-24 00:46:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:46:03,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:03,176 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] [2024-11-24 00:46:03,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-24 00:46:03,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:03,376 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:03,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:03,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1609790563, now seen corresponding path program 1 times [2024-11-24 00:46:03,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:46:03,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099159894] [2024-11-24 00:46:03,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:46:03,380 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:46:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-24 00:46:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:03,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:46:03,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:46:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:46:03,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:46:03,939 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:46:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099159894] [2024-11-24 00:46:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099159894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:03,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:03,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:46:03,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821697265] [2024-11-24 00:46:03,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:03,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:46:03,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:46:03,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:46:03,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:46:03,942 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) [2024-11-24 00:46:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:05,912 INFO L93 Difference]: Finished difference Result 681 states and 913 transitions. [2024-11-24 00:46:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:46:05,913 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 [2024-11-24 00:46:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:05,915 INFO L225 Difference]: With dead ends: 681 [2024-11-24 00:46:05,915 INFO L226 Difference]: Without dead ends: 436 [2024-11-24 00:46:05,916 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 [2024-11-24 00:46:05,917 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 47 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:05,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 457 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 00:46:05,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-24 00:46:06,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 366. [2024-11-24 00:46:06,081 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) [2024-11-24 00:46:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 485 transitions. [2024-11-24 00:46:06,083 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 485 transitions. Word has length 145 [2024-11-24 00:46:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:06,084 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 485 transitions. [2024-11-24 00:46:06,084 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) [2024-11-24 00:46:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 485 transitions. [2024-11-24 00:46:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:46:06,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:06,086 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] [2024-11-24 00:46:06,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-24 00:46:06,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:06,286 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:06,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash 879738399, now seen corresponding path program 1 times [2024-11-24 00:46:06,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:46:06,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982015371] [2024-11-24 00:46:06,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:06,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:06,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:46:06,290 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:46:06,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-24 00:46:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:06,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:46:06,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:46:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:46:06,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:46:06,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:46:06,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982015371] [2024-11-24 00:46:06,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982015371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:06,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:06,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:46:06,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214036370] [2024-11-24 00:46:06,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:06,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:46:06,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:46:06,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:46:06,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:46:06,648 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) [2024-11-24 00:46:06,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:06,810 INFO L93 Difference]: Finished difference Result 613 states and 819 transitions. [2024-11-24 00:46:06,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:46:06,811 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 [2024-11-24 00:46:06,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:06,813 INFO L225 Difference]: With dead ends: 613 [2024-11-24 00:46:06,814 INFO L226 Difference]: Without dead ends: 352 [2024-11-24 00:46:06,814 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 [2024-11-24 00:46:06,815 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 [2024-11-24 00:46:06,815 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] [2024-11-24 00:46:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-24 00:46:06,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-24 00:46:06,973 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) [2024-11-24 00:46:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-11-24 00:46:06,975 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 145 [2024-11-24 00:46:06,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:06,976 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-11-24 00:46:06,976 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) [2024-11-24 00:46:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-11-24 00:46:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:46:06,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:06,978 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] [2024-11-24 00:46:06,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-24 00:46:07,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:07,179 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:07,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1772671844, now seen corresponding path program 1 times [2024-11-24 00:46:07,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:46:07,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015050508] [2024-11-24 00:46:07,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:46:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:46:07,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:46:07,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-24 00:46:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:07,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-24 00:46:07,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:46:10,726 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 [2024-11-24 00:46:13,803 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 [2024-11-24 00:46:16,300 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 [2024-11-24 00:46:18,503 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 [2024-11-24 00:46:20,749 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 [2024-11-24 00:46:23,479 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 [2024-11-24 00:46:25,988 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 [2024-11-24 00:46:28,964 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 [2024-11-24 00:46:32,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2024-11-24 00:46:32,188 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 [2024-11-24 00:46:32,773 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 [2024-11-24 00:46:34,338 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 [2024-11-24 00:46:35,146 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 [2024-11-24 00:46:37,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:46:37,054 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 [2024-11-24 00:46:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 341 proven. 164 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 00:46:39,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:47:18,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:47:18,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015050508] [2024-11-24 00:47:18,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015050508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:47:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2806429] [2024-11-24 00:47:18,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:18,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:47:18,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:47:18,163 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:47:18,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 00:47:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:18,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:47:18,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:47:26,049 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 [2024-11-24 00:47:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:47:26,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:47:26,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2806429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:26,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:47:26,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-11-24 00:47:26,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393019016] [2024-11-24 00:47:26,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:26,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:47:26,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:47:26,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:47:26,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=565, Unknown=3, NotChecked=0, Total=702 [2024-11-24 00:47:26,640 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) [2024-11-24 00:47:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:29,087 INFO L93 Difference]: Finished difference Result 630 states and 829 transitions. [2024-11-24 00:47:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:47:29,088 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 [2024-11-24 00:47:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:29,091 INFO L225 Difference]: With dead ends: 630 [2024-11-24 00:47:29,091 INFO L226 Difference]: Without dead ends: 394 [2024-11-24 00:47:29,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 42.4s TimeCoverageRelationStatistics Valid=146, Invalid=607, Unknown=3, NotChecked=0, Total=756 [2024-11-24 00:47:29,094 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 153 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:47:29,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 373 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-24 00:47:29,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-24 00:47:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 352. [2024-11-24 00:47:29,270 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) [2024-11-24 00:47:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-11-24 00:47:29,273 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 147 [2024-11-24 00:47:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:29,274 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-11-24 00:47:29,275 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) [2024-11-24 00:47:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-11-24 00:47:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:47:29,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:29,276 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] [2024-11-24 00:47:29,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-24 00:47:29,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-24 00:47:29,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:47:29,682 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:29,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 205210215, now seen corresponding path program 1 times [2024-11-24 00:47:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:47:29,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919585588] [2024-11-24 00:47:29,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:29,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:47:29,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:47:29,689 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:47:29,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-24 00:47:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:29,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:47:29,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:47:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:47:30,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:47:30,307 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:47:30,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919585588] [2024-11-24 00:47:30,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919585588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:30,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:30,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:47:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279953429] [2024-11-24 00:47:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:30,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:47:30,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:47:30,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:47:30,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:47:30,308 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) [2024-11-24 00:47:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:31,810 INFO L93 Difference]: Finished difference Result 641 states and 840 transitions. [2024-11-24 00:47:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:47:31,812 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 [2024-11-24 00:47:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:31,815 INFO L225 Difference]: With dead ends: 641 [2024-11-24 00:47:31,816 INFO L226 Difference]: Without dead ends: 405 [2024-11-24 00:47:31,816 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 [2024-11-24 00:47:31,817 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:47:31,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 369 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:47:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-24 00:47:31,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 377. [2024-11-24 00:47:31,970 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) [2024-11-24 00:47:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 487 transitions. [2024-11-24 00:47:31,972 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 487 transitions. Word has length 147 [2024-11-24 00:47:31,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:31,973 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 487 transitions. [2024-11-24 00:47:31,973 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) [2024-11-24 00:47:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 487 transitions. [2024-11-24 00:47:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:47:31,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:31,975 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] [2024-11-24 00:47:31,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-24 00:47:32,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:47:32,176 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:32,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2144036769, now seen corresponding path program 1 times [2024-11-24 00:47:32,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:47:32,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493114896] [2024-11-24 00:47:32,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:32,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:47:32,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:47:32,179 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:47:32,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-24 00:47:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:32,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 00:47:32,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:47:38,546 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 [2024-11-24 00:47:38,727 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 [2024-11-24 00:47:39,492 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 [2024-11-24 00:47:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:47:39,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:47:39,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:47:39,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493114896] [2024-11-24 00:47:39,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493114896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:39,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:39,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:47:39,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454390794] [2024-11-24 00:47:39,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:39,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:47:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:47:39,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:47:39,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:47:39,691 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) [2024-11-24 00:47:41,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:41,814 INFO L93 Difference]: Finished difference Result 382 states and 492 transitions. [2024-11-24 00:47:41,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:47:41,816 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 [2024-11-24 00:47:41,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:41,817 INFO L225 Difference]: With dead ends: 382 [2024-11-24 00:47:41,817 INFO L226 Difference]: Without dead ends: 380 [2024-11-24 00:47:41,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:47:41,818 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 162 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:47:41,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 414 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:47:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-24 00:47:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-24 00:47:42,023 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) [2024-11-24 00:47:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 490 transitions. [2024-11-24 00:47:42,025 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 490 transitions. Word has length 147 [2024-11-24 00:47:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:42,026 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 490 transitions. [2024-11-24 00:47:42,026 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) [2024-11-24 00:47:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 490 transitions. [2024-11-24 00:47:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 00:47:42,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:42,028 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] [2024-11-24 00:47:42,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-24 00:47:42,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:47:42,229 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:42,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2142189727, now seen corresponding path program 1 times [2024-11-24 00:47:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:47:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586321013] [2024-11-24 00:47:42,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:47:42,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:47:42,234 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:47:42,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4766e8c-cbd2-4832-b304-d9941135d9d6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-24 00:47:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:42,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-24 00:47:42,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:47:57,350 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 [2024-11-24 00:48:00,612 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 [2024-11-24 00:48:03,275 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 [2024-11-24 00:48:09,291 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 [2024-11-24 00:48:09,308 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 [2024-11-24 00:48:09,537 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 [2024-11-24 00:48:12,484 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 [2024-11-24 00:48:13,585 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 [2024-11-24 00:48:14,789 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 [2024-11-24 00:48:19,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:48:19,459 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 [2024-11-24 00:48:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 244 proven. 77 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 00:48:20,241 INFO L312 TraceCheckSpWp]: Computing backward predicates...