./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:59:00,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:59:00,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:59:00,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:59:00,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:59:00,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:59:00,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:59:00,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:59:00,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:59:00,162 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:59:00,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:59:00,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:59:00,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:59:00,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:59:00,164 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:59:00,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:59:00,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:59:00,164 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:59:00,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:59:00,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:59:00,166 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:59:00,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:59:00,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:59:00,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:00,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:00,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:59:00,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:59:00,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:59:00,169 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-11-23 23:59:00,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:59:00,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:59:00,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:59:00,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:59:00,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:59:00,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:03,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/cac391bff/851542717edc4fa0a05737183ca922d3/FLAG7faed17ee [2024-11-23 23:59:03,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:59:03,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:03,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/cac391bff/851542717edc4fa0a05737183ca922d3/FLAG7faed17ee [2024-11-23 23:59:03,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/cac391bff/851542717edc4fa0a05737183ca922d3 [2024-11-23 23:59:03,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:59:03,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:59:03,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:59:03,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:59:03,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:59:03,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:03" (1/1) ... [2024-11-23 23:59:03,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53dc1541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:03, skipping insertion in model container [2024-11-23 23:59:03,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:03" (1/1) ... [2024-11-23 23:59:03,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:59:04,094 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-23 23:59:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:59:04,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:59:04,244 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-23 23:59:04,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:59:04,320 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:59:04,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04 WrapperNode [2024-11-23 23:59:04,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:59:04,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:59:04,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:59:04,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:59:04,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,405 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-23 23:59:04,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:59:04,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:59:04,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:59:04,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:59:04,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,460 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:59:04,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:59:04,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:59:04,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:59:04,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:59:04,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (1/1) ... [2024-11-23 23:59:04,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:04,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:59:04,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:59:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:59:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:59:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:59:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:59:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:59:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:59:04,649 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:59:04,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:59:05,142 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-23 23:59:05,142 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:59:05,153 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:59:05,153 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:59:05,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:05 BoogieIcfgContainer [2024-11-23 23:59:05,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:59:05,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:59:05,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:59:05,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:59:05,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:59:03" (1/3) ... [2024-11-23 23:59:05,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2274a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:05, skipping insertion in model container [2024-11-23 23:59:05,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:04" (2/3) ... [2024-11-23 23:59:05,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2274a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:05, skipping insertion in model container [2024-11-23 23:59:05,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:05" (3/3) ... [2024-11-23 23:59:05,165 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:05,181 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:59:05,183 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:59:05,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:59:05,299 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;@6c9a56dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:59:05,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:59:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 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) [2024-11-23 23:59:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 23:59:05,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:05,315 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] [2024-11-23 23:59:05,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:05,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-11-23 23:59:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:05,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911382800] [2024-11-23 23:59:05,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:59:05,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911382800] [2024-11-23 23:59:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911382800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:05,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693419825] [2024-11-23 23:59:05,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:05,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:05,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:05,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:59:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:05,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:59:05,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:59:06,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:06,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693419825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:06,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:59:06,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670224000] [2024-11-23 23:59:06,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:06,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:59:06,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:06,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:59:06,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:59:06,043 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2024-11-23 23:59:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:06,078 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-11-23 23:59:06,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:59:06,080 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 129 [2024-11-23 23:59:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:06,088 INFO L225 Difference]: With dead ends: 136 [2024-11-23 23:59:06,088 INFO L226 Difference]: Without dead ends: 67 [2024-11-23 23:59:06,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:59:06,097 INFO L435 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:06,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:59:06,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-23 23:59:06,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-23 23:59:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2024-11-23 23:59:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-23 23:59:06,149 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-11-23 23:59:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:06,150 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-23 23:59:06,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2024-11-23 23:59:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-23 23:59:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 23:59:06,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:06,158 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] [2024-11-23 23:59:06,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:59:06,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:59:06,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:06,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-11-23 23:59:06,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306150539] [2024-11-23 23:59:06,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:07,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:07,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306150539] [2024-11-23 23:59:07,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306150539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:07,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:07,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:59:07,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608484353] [2024-11-23 23:59:07,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:07,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:59:07,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:07,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:59:07,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:07,284 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-23 23:59:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:07,533 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-11-23 23:59:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:59:07,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 129 [2024-11-23 23:59:07,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:07,537 INFO L225 Difference]: With dead ends: 196 [2024-11-23 23:59:07,537 INFO L226 Difference]: Without dead ends: 132 [2024-11-23 23:59:07,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:59:07,542 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 90 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:07,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 289 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:59:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-23 23:59:07,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-11-23 23:59:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 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) [2024-11-23 23:59:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-23 23:59:07,590 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-11-23 23:59:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:07,591 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-23 23:59:07,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-23 23:59:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-23 23:59:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:07,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:07,593 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] [2024-11-23 23:59:07,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:59:07,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:07,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:07,595 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-11-23 23:59:07,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:07,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330074772] [2024-11-23 23:59:07,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:07,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:08,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330074772] [2024-11-23 23:59:08,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330074772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:08,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:08,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:59:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104566608] [2024-11-23 23:59:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:08,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:59:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:08,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:59:08,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:08,055 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:08,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:08,228 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2024-11-23 23:59:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:59:08,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:08,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:08,232 INFO L225 Difference]: With dead ends: 230 [2024-11-23 23:59:08,232 INFO L226 Difference]: Without dead ends: 166 [2024-11-23 23:59:08,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:08,238 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:08,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 232 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:59:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-23 23:59:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 115. [2024-11-23 23:59:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 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) [2024-11-23 23:59:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 177 transitions. [2024-11-23 23:59:08,277 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 177 transitions. Word has length 130 [2024-11-23 23:59:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:08,278 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 177 transitions. [2024-11-23 23:59:08,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2024-11-23 23:59:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:08,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:08,283 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] [2024-11-23 23:59:08,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:59:08,283 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:08,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:08,284 INFO L85 PathProgramCache]: Analyzing trace with hash 574457711, now seen corresponding path program 1 times [2024-11-23 23:59:08,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005805358] [2024-11-23 23:59:08,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:08,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:08,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005805358] [2024-11-23 23:59:08,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005805358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:08,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:08,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:59:08,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855189381] [2024-11-23 23:59:08,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:08,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:59:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:08,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:59:08,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:08,726 INFO L87 Difference]: Start difference. First operand 115 states and 177 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-23 23:59:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:08,927 INFO L93 Difference]: Finished difference Result 244 states and 375 transitions. [2024-11-23 23:59:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:59:08,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:08,931 INFO L225 Difference]: With dead ends: 244 [2024-11-23 23:59:08,931 INFO L226 Difference]: Without dead ends: 167 [2024-11-23 23:59:08,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:08,932 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:08,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 224 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:59:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-23 23:59:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-23 23:59:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 121 states have (on average 1.43801652892562) internal successors, (174), 122 states have internal predecessors, (174), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:59:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-11-23 23:59:08,968 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-11-23 23:59:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:08,969 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-11-23 23:59:08,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-23 23:59:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-11-23 23:59:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:08,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:08,975 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] [2024-11-23 23:59:08,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:59:08,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:08,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:08,976 INFO L85 PathProgramCache]: Analyzing trace with hash 517199409, now seen corresponding path program 1 times [2024-11-23 23:59:08,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:08,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4291665] [2024-11-23 23:59:08,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:09,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:09,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4291665] [2024-11-23 23:59:09,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4291665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:09,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:09,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:59:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207412711] [2024-11-23 23:59:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:09,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:59:09,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:09,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:59:09,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:59:09,400 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-11-23 23:59:09,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:09,871 INFO L93 Difference]: Finished difference Result 519 states and 825 transitions. [2024-11-23 23:59:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:59:09,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:09,876 INFO L225 Difference]: With dead ends: 519 [2024-11-23 23:59:09,876 INFO L226 Difference]: Without dead ends: 397 [2024-11-23 23:59:09,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:59:09,878 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 154 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:09,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 450 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:59:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-23 23:59:09,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 239. [2024-11-23 23:59:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.4576271186440677) internal successors, (258), 178 states have internal predecessors, (258), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-23 23:59:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2024-11-23 23:59:09,925 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 130 [2024-11-23 23:59:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:09,925 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2024-11-23 23:59:09,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-11-23 23:59:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2024-11-23 23:59:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:09,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:09,928 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] [2024-11-23 23:59:09,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:59:09,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:09,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:09,929 INFO L85 PathProgramCache]: Analyzing trace with hash 383185903, now seen corresponding path program 1 times [2024-11-23 23:59:09,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:09,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020827877] [2024-11-23 23:59:09,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:09,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:10,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:10,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020827877] [2024-11-23 23:59:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020827877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:59:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200957647] [2024-11-23 23:59:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:10,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:59:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:10,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:59:10,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:10,125 INFO L87 Difference]: Start difference. First operand 239 states and 370 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:10,193 INFO L93 Difference]: Finished difference Result 436 states and 682 transitions. [2024-11-23 23:59:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:59:10,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:10,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:10,196 INFO L225 Difference]: With dead ends: 436 [2024-11-23 23:59:10,196 INFO L226 Difference]: Without dead ends: 239 [2024-11-23 23:59:10,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:10,198 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:10,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:59:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-23 23:59:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-23 23:59:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.423728813559322) internal successors, (252), 178 states have internal predecessors, (252), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-23 23:59:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 364 transitions. [2024-11-23 23:59:10,245 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 364 transitions. Word has length 130 [2024-11-23 23:59:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:10,245 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 364 transitions. [2024-11-23 23:59:10,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2024-11-23 23:59:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:10,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:10,250 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] [2024-11-23 23:59:10,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:59:10,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:10,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:10,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1610958803, now seen corresponding path program 1 times [2024-11-23 23:59:10,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:10,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637207570] [2024-11-23 23:59:10,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:10,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-23 23:59:10,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:10,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637207570] [2024-11-23 23:59:10,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637207570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:10,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33321362] [2024-11-23 23:59:10,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:10,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:11,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:11,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:59:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:11,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:59:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-23 23:59:12,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-23 23:59:12,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33321362] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:59:12,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:59:12,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 16 [2024-11-23 23:59:12,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199527978] [2024-11-23 23:59:12,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:12,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 23:59:12,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:12,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 23:59:12,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:59:12,586 INFO L87 Difference]: Start difference. First operand 239 states and 364 transitions. Second operand has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 23:59:14,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:14,434 INFO L93 Difference]: Finished difference Result 864 states and 1273 transitions. [2024-11-23 23:59:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-23 23:59:14,435 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 130 [2024-11-23 23:59:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:14,440 INFO L225 Difference]: With dead ends: 864 [2024-11-23 23:59:14,442 INFO L226 Difference]: Without dead ends: 742 [2024-11-23 23:59:14,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=811, Invalid=3095, Unknown=0, NotChecked=0, Total=3906 [2024-11-23 23:59:14,447 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 481 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:14,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 885 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:59:14,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-23 23:59:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 401. [2024-11-23 23:59:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 311 states have internal predecessors, (429), 76 states have call successors, (76), 15 states have call predecessors, (76), 15 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-23 23:59:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 581 transitions. [2024-11-23 23:59:14,533 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 581 transitions. Word has length 130 [2024-11-23 23:59:14,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:14,533 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 581 transitions. [2024-11-23 23:59:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 23:59:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 581 transitions. [2024-11-23 23:59:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:14,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:14,536 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] [2024-11-23 23:59:14,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:14,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 23:59:14,740 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:14,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 878570159, now seen corresponding path program 1 times [2024-11-23 23:59:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489942799] [2024-11-23 23:59:14,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:59:14,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680056566] [2024-11-23 23:59:14,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:14,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:14,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:14,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:14,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:59:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:14,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:59:14,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:15,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-23 23:59:16,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:16,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489942799] [2024-11-23 23:59:16,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:59:16,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680056566] [2024-11-23 23:59:16,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680056566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:59:16,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:59:16,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-23 23:59:16,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848833677] [2024-11-23 23:59:16,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:16,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:59:16,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:16,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:59:16,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:59:16,026 INFO L87 Difference]: Start difference. First operand 401 states and 581 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-23 23:59:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:18,572 INFO L93 Difference]: Finished difference Result 880 states and 1251 transitions. [2024-11-23 23:59:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 23:59:18,573 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 130 [2024-11-23 23:59:18,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:18,576 INFO L225 Difference]: With dead ends: 880 [2024-11-23 23:59:18,577 INFO L226 Difference]: Without dead ends: 543 [2024-11-23 23:59:18,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:59:18,578 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 315 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:18,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 429 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:59:18,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-23 23:59:18,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 439. [2024-11-23 23:59:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.361764705882353) internal successors, (463), 343 states have internal predecessors, (463), 78 states have call successors, (78), 20 states have call predecessors, (78), 20 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-23 23:59:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 619 transitions. [2024-11-23 23:59:18,633 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 619 transitions. Word has length 130 [2024-11-23 23:59:18,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:18,634 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 619 transitions. [2024-11-23 23:59:18,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-23 23:59:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 619 transitions. [2024-11-23 23:59:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:18,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:18,636 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] [2024-11-23 23:59:18,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:18,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 23:59:18,840 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:18,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:18,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1136735597, now seen corresponding path program 1 times [2024-11-23 23:59:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:18,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420718723] [2024-11-23 23:59:18,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:59:18,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404768463] [2024-11-23 23:59:18,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:18,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:18,949 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:18,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:59:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:19,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 23:59:19,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:19,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:20,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:20,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420718723] [2024-11-23 23:59:20,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:59:20,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404768463] [2024-11-23 23:59:20,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404768463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:20,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:20,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-23 23:59:20,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754506167] [2024-11-23 23:59:20,388 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:20,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:59:20,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:20,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:59:20,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:59:20,389 INFO L87 Difference]: Start difference. First operand 439 states and 619 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:21,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:21,253 INFO L93 Difference]: Finished difference Result 1271 states and 1802 transitions. [2024-11-23 23:59:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:59:21,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-23 23:59:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:21,259 INFO L225 Difference]: With dead ends: 1271 [2024-11-23 23:59:21,259 INFO L226 Difference]: Without dead ends: 1009 [2024-11-23 23:59:21,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:59:21,261 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:21,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 574 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:59:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-11-23 23:59:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 752. [2024-11-23 23:59:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 578 states have (on average 1.3581314878892734) internal successors, (785), 584 states have internal predecessors, (785), 138 states have call successors, (138), 35 states have call predecessors, (138), 35 states have return successors, (138), 132 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-23 23:59:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1061 transitions. [2024-11-23 23:59:21,379 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1061 transitions. Word has length 130 [2024-11-23 23:59:21,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:21,379 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1061 transitions. [2024-11-23 23:59:21,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1061 transitions. [2024-11-23 23:59:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:21,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:21,382 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] [2024-11-23 23:59:21,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:59:21,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:21,586 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:21,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:21,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-11-23 23:59:21,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:21,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113901206] [2024-11-23 23:59:21,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:21,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:59:21,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388327084] [2024-11-23 23:59:21,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:21,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:21,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:21,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:21,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:59:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:21,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:59:21,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:22,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:23,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113901206] [2024-11-23 23:59:23,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:59:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388327084] [2024-11-23 23:59:23,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388327084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:23,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:23,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-23 23:59:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486795281] [2024-11-23 23:59:23,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:23,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:59:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:23,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:59:23,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:59:23,492 INFO L87 Difference]: Start difference. First operand 752 states and 1061 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:24,389 INFO L93 Difference]: Finished difference Result 2010 states and 2883 transitions. [2024-11-23 23:59:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:59:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-23 23:59:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:24,399 INFO L225 Difference]: With dead ends: 2010 [2024-11-23 23:59:24,399 INFO L226 Difference]: Without dead ends: 1532 [2024-11-23 23:59:24,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:59:24,402 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 401 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:24,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 530 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:59:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-23 23:59:24,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1125. [2024-11-23 23:59:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 855 states have (on average 1.3555555555555556) internal successors, (1159), 863 states have internal predecessors, (1159), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-23 23:59:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1587 transitions. [2024-11-23 23:59:24,561 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1587 transitions. Word has length 130 [2024-11-23 23:59:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:24,561 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1587 transitions. [2024-11-23 23:59:24,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1587 transitions. [2024-11-23 23:59:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:24,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:24,564 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] [2024-11-23 23:59:24,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:24,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:59:24,768 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:24,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:24,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1355590315, now seen corresponding path program 1 times [2024-11-23 23:59:24,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:24,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102694547] [2024-11-23 23:59:24,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:24,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:59:24,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56421709] [2024-11-23 23:59:24,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:24,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:24,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:24,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:59:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:24,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 23:59:24,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:26,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:26,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:59:26,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102694547] [2024-11-23 23:59:26,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:59:26,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56421709] [2024-11-23 23:59:26,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56421709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:26,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:26,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-23 23:59:26,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997386938] [2024-11-23 23:59:26,794 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:26,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:59:26,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:59:26,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:59:26,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:59:26,795 INFO L87 Difference]: Start difference. First operand 1125 states and 1587 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:28,168 INFO L93 Difference]: Finished difference Result 2503 states and 3573 transitions. [2024-11-23 23:59:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:59:28,169 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-23 23:59:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:28,178 INFO L225 Difference]: With dead ends: 2503 [2024-11-23 23:59:28,178 INFO L226 Difference]: Without dead ends: 1446 [2024-11-23 23:59:28,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-11-23 23:59:28,182 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 187 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:28,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 759 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:59:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-23 23:59:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1121. [2024-11-23 23:59:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 851 states have (on average 1.345475910693302) internal successors, (1145), 859 states have internal predecessors, (1145), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-23 23:59:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1573 transitions. [2024-11-23 23:59:28,392 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1573 transitions. Word has length 130 [2024-11-23 23:59:28,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:28,393 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1573 transitions. [2024-11-23 23:59:28,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:59:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1573 transitions. [2024-11-23 23:59:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:59:28,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:28,396 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] [2024-11-23 23:59:28,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:59:28,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:28,600 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:28,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:28,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-11-23 23:59:28,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:59:28,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632273605] [2024-11-23 23:59:28,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:28,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:59:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:59:28,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211421638] [2024-11-23 23:59:28,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:28,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:59:28,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:28,683 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:59:28,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:59:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:59:28,822 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:59:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:59:28,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:59:28,989 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:59:28,990 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:59:29,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:29,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:59:29,197 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:59:29,334 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:59:29,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:59:29 BoogieIcfgContainer [2024-11-23 23:59:29,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:59:29,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:59:29,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:59:29,340 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:59:29,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:05" (3/4) ... [2024-11-23 23:59:29,344 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:59:29,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:59:29,346 INFO L158 Benchmark]: Toolchain (without parser) took 25461.88ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 208.5MB in the end (delta: -114.7MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2024-11-23 23:59:29,346 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 103.2MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:59:29,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.83ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:59:29,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.28ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:59:29,347 INFO L158 Benchmark]: Boogie Preprocessor took 72.88ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:59:29,347 INFO L158 Benchmark]: RCFGBuilder took 670.73ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 42.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:59:29,348 INFO L158 Benchmark]: TraceAbstraction took 24181.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 42.0MB in the beginning and 208.6MB in the end (delta: -166.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-11-23 23:59:29,348 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 352.3MB. Free memory was 208.6MB in the beginning and 208.5MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:59:29,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 103.2MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.83ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.28ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.88ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 670.73ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 42.7MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24181.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 42.0MB in the beginning and 208.6MB in the end (delta: -166.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 352.3MB. Free memory was 208.6MB in the beginning and 208.5MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] float var_1_26 = 500.65; [L38] float var_1_30 = 9.8; [L39] unsigned char var_1_31 = 4; [L40] unsigned short int var_1_34 = 1; [L41] unsigned long int var_1_35 = 10; [L42] unsigned char var_1_36 = 10; [L43] unsigned char var_1_38 = 16; [L44] unsigned char var_1_39 = 0; [L45] unsigned short int var_1_40 = 10; [L46] unsigned short int var_1_41 = 128; [L47] unsigned short int var_1_42 = 40597; [L48] signed short int last_1_var_1_1 = 16; [L49] unsigned char last_1_var_1_6 = 10; [L50] unsigned char last_1_var_1_8 = 1; [L51] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L181] isInitial = 1 [L182] FCALL initially() [L184] CALL updateLastVariables() [L171] last_1_var_1_1 = var_1_1 [L172] last_1_var_1_6 = var_1_6 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L184] RET updateLastVariables() [L185] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L142] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L144] var_1_7 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L145] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L150] var_1_12 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L151] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L154] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L155] var_1_16 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L156] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L157] var_1_20 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L158] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L160] var_1_38 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L161] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L163] var_1_39 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L164] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L166] var_1_42 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_42 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L167] RET assume_abort_if_not(var_1_42 >= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_42 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] RET assume_abort_if_not(var_1_42 <= 65534) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] signed long int stepLocal_6 = last_1_var_1_1; [L56] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L57] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L58] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L61] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L66] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L69] COND TRUE var_1_5 >= -2 [L70] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L72] unsigned char stepLocal_4 = var_1_6; [L73] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L74] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L75] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L76] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L83] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_7=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L84] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L87] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L88] COND TRUE \read(var_1_19) [L89] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L95] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L96] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, stepLocal_2=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L97] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L104] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L106] COND TRUE var_1_11 || var_1_8 [L107] var_1_21 = ((var_1_7 > -4) || var_1_11) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L109] COND FALSE !(((var_1_1 + 25) % var_1_7) < 2) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L112] COND TRUE (- var_1_15) < ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16))) [L113] var_1_30 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L115] COND TRUE ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (var_1_5)) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (var_1_5))) <= var_1_1 [L116] var_1_31 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L118] COND TRUE var_1_6 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) [L119] var_1_34 = ((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L121] COND TRUE \read(var_1_11) [L122] var_1_35 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L124] COND TRUE \read(var_1_11) [L125] var_1_36 = (var_1_7 - var_1_38) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L129] COND TRUE (- var_1_7) != var_1_6 [L130] var_1_40 = var_1_39 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L132] COND FALSE !(var_1_7 <= (~ var_1_7)) [L137] var_1_41 = var_1_6 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.9s, OverallIterations: 12, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2027 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2003 mSDsluCounter, 4660 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3426 mSDsCounter, 520 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3379 IncrementalHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 520 mSolverCounterUnsat, 1234 mSDtfsCounter, 3379 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1512 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1125occurred in iteration=10, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1676 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 2469 NumberOfCodeBlocks, 2469 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1932 ConstructedInterpolants, 1 QuantifiedInterpolants, 8832 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2009 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 8783/9180 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 [2024-11-23 23:59:29,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:59:32,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:59:32,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:59:32,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:59:32,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:59:32,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:59:32,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:59:32,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:59:32,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:59:32,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:59:32,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:59:32,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:59:32,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:59:32,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:59:32,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:59:32,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:59:32,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:59:32,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:59:32,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:59:32,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:59:32,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:59:32,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:59:32,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:59:32,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:59:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:32,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:59:32,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:59:32,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:59:32,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:59:32,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:32,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:59:32,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:59:32,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:59:32,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:59:32,472 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-11-23 23:59:32,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:59:32,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:59:32,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:59:32,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:59:32,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:59:32,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:36,346 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/f81b63e86/b71c5fb5783440c2855a4cd5b339623c/FLAG45b63a6d2 [2024-11-23 23:59:36,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:59:36,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:36,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/f81b63e86/b71c5fb5783440c2855a4cd5b339623c/FLAG45b63a6d2 [2024-11-23 23:59:36,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/data/f81b63e86/b71c5fb5783440c2855a4cd5b339623c [2024-11-23 23:59:36,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:59:36,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:59:36,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:59:36,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:59:36,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:59:36,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:36" (1/1) ... [2024-11-23 23:59:36,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21578a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:36, skipping insertion in model container [2024-11-23 23:59:36,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:36" (1/1) ... [2024-11-23 23:59:36,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:59:37,071 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-23 23:59:37,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:59:37,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:59:37,191 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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-23 23:59:37,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:59:37,253 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:59:37,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37 WrapperNode [2024-11-23 23:59:37,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:59:37,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:59:37,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:59:37,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:59:37,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,309 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-23 23:59:37,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:59:37,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:59:37,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:59:37,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:59:37,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,337 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:59:37,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:59:37,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:59:37,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:59:37,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:59:37,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (1/1) ... [2024-11-23 23:59:37,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:59:37,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:59:37,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:59:37,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:59:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:59:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:59:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:59:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:59:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:59:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:59:37,588 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:59:37,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:59:38,442 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-23 23:59:38,443 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:59:38,455 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:59:38,457 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:59:38,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:38 BoogieIcfgContainer [2024-11-23 23:59:38,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:59:38,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:59:38,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:59:38,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:59:38,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:59:36" (1/3) ... [2024-11-23 23:59:38,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159b8efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:38, skipping insertion in model container [2024-11-23 23:59:38,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:37" (2/3) ... [2024-11-23 23:59:38,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159b8efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:38, skipping insertion in model container [2024-11-23 23:59:38,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:38" (3/3) ... [2024-11-23 23:59:38,472 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-23 23:59:38,489 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:59:38,491 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:59:38,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:59:38,564 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;@76a1f865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:59:38,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:59:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 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) [2024-11-23 23:59:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 23:59:38,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:38,581 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] [2024-11-23 23:59:38,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:38,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-11-23 23:59:38,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:38,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718051465] [2024-11-23 23:59:38,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:38,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:38,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:38,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:38,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:59:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:39,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:59:39,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-23 23:59:39,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:39,151 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:39,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718051465] [2024-11-23 23:59:39,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718051465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:39,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:39,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:59:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915486058] [2024-11-23 23:59:39,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:39,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:59:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:39,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:59:39,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:59:39,182 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-11-23 23:59:39,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:39,207 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-11-23 23:59:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:59:39,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 129 [2024-11-23 23:59:39,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:39,215 INFO L225 Difference]: With dead ends: 136 [2024-11-23 23:59:39,215 INFO L226 Difference]: Without dead ends: 67 [2024-11-23 23:59:39,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:59:39,221 INFO L435 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:39,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:59:39,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-23 23:59:39,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-23 23:59:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2024-11-23 23:59:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-23 23:59:39,260 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-11-23 23:59:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:39,261 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-23 23:59:39,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-11-23 23:59:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-23 23:59:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 23:59:39,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:39,266 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] [2024-11-23 23:59:39,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:59:39,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:39,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:39,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:39,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-11-23 23:59:39,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:39,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236127582] [2024-11-23 23:59:39,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:39,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:39,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:39,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:59:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:39,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:59:39,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:40,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:40,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236127582] [2024-11-23 23:59:40,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236127582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:40,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:40,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:59:40,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334402959] [2024-11-23 23:59:40,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:40,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:59:40,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:40,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:59:40,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:40,401 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-23 23:59:40,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:40,850 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-11-23 23:59:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:59:40,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 129 [2024-11-23 23:59:40,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:40,857 INFO L225 Difference]: With dead ends: 196 [2024-11-23 23:59:40,857 INFO L226 Difference]: Without dead ends: 132 [2024-11-23 23:59:40,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:59:40,858 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 87 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:40,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 289 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:59:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-23 23:59:40,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-11-23 23:59:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 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) [2024-11-23 23:59:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-23 23:59:40,890 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-11-23 23:59:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:40,891 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-23 23:59:40,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-23 23:59:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-23 23:59:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:40,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:40,898 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] [2024-11-23 23:59:40,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:59:41,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:41,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:41,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-11-23 23:59:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:41,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066721028] [2024-11-23 23:59:41,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:41,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:41,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:41,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:41,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:59:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:41,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:59:41,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:42,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:42,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:42,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066721028] [2024-11-23 23:59:42,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066721028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:42,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:42,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:59:42,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806971015] [2024-11-23 23:59:42,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:42,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:59:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:42,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:59:42,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:59:42,575 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-23 23:59:44,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:44,368 INFO L93 Difference]: Finished difference Result 301 states and 473 transitions. [2024-11-23 23:59:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:59:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:44,395 INFO L225 Difference]: With dead ends: 301 [2024-11-23 23:59:44,395 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:59:44,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:59:44,396 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 150 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:44,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 450 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-23 23:59:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:59:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 164. [2024-11-23 23:59:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:59:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 252 transitions. [2024-11-23 23:59:44,460 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 252 transitions. Word has length 130 [2024-11-23 23:59:44,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:44,461 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 252 transitions. [2024-11-23 23:59:44,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-23 23:59:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 252 transitions. [2024-11-23 23:59:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:44,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:44,467 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] [2024-11-23 23:59:44,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:44,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:44,668 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:44,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -239614165, now seen corresponding path program 1 times [2024-11-23 23:59:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286906359] [2024-11-23 23:59:44,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:44,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:44,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:59:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:45,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:59:45,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:45,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:45,119 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:45,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286906359] [2024-11-23 23:59:45,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286906359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:45,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:59:45,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674940753] [2024-11-23 23:59:45,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:45,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:59:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:45,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:59:45,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:45,124 INFO L87 Difference]: Start difference. First operand 164 states and 252 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:45,398 INFO L93 Difference]: Finished difference Result 290 states and 449 transitions. [2024-11-23 23:59:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:59:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:45,410 INFO L225 Difference]: With dead ends: 290 [2024-11-23 23:59:45,410 INFO L226 Difference]: Without dead ends: 164 [2024-11-23 23:59:45,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:59:45,416 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:45,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:59:45,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-23 23:59:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-23 23:59:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:59:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-11-23 23:59:45,462 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-11-23 23:59:45,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:45,463 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-11-23 23:59:45,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-11-23 23:59:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:45,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:45,466 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] [2024-11-23 23:59:45,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 23:59:45,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:45,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:45,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2061208425, now seen corresponding path program 1 times [2024-11-23 23:59:45,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:45,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480641697] [2024-11-23 23:59:45,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:45,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:45,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:45,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:45,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:59:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:46,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:59:46,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-23 23:59:46,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-23 23:59:47,024 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:47,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480641697] [2024-11-23 23:59:47,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480641697] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:59:47,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:59:47,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-23 23:59:47,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812873180] [2024-11-23 23:59:47,025 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:59:47,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:59:47,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:47,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:59:47,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:59:47,027 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-23 23:59:48,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:48,463 INFO L93 Difference]: Finished difference Result 357 states and 509 transitions. [2024-11-23 23:59:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 23:59:48,464 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 130 [2024-11-23 23:59:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:48,467 INFO L225 Difference]: With dead ends: 357 [2024-11-23 23:59:48,467 INFO L226 Difference]: Without dead ends: 293 [2024-11-23 23:59:48,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 23:59:48,470 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:48,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 516 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:59:48,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-23 23:59:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 267. [2024-11-23 23:59:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 182 states have (on average 1.3131868131868132) internal successors, (239), 182 states have internal predecessors, (239), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 23:59:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 383 transitions. [2024-11-23 23:59:48,512 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 383 transitions. Word has length 130 [2024-11-23 23:59:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:48,513 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 383 transitions. [2024-11-23 23:59:48,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-23 23:59:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2024-11-23 23:59:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:48,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:48,515 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] [2024-11-23 23:59:48,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:59:48,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:48,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:48,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash 255770091, now seen corresponding path program 1 times [2024-11-23 23:59:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994403938] [2024-11-23 23:59:48,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:48,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:48,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:48,720 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:48,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 23:59:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:49,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:59:49,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:49,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:49,534 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:49,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994403938] [2024-11-23 23:59:49,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994403938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:49,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2138830810] [2024-11-23 23:59:49,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:49,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:59:49,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:59:49,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:59:49,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-23 23:59:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:50,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:59:50,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:51,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:51,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2138830810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:51,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:51,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-23 23:59:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901520120] [2024-11-23 23:59:51,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:51,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:59:51,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:51,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:59:51,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:59:51,044 INFO L87 Difference]: Start difference. First operand 267 states and 383 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-11-23 23:59:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:53,688 INFO L93 Difference]: Finished difference Result 802 states and 1166 transitions. [2024-11-23 23:59:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:59:53,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:53,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:53,698 INFO L225 Difference]: With dead ends: 802 [2024-11-23 23:59:53,698 INFO L226 Difference]: Without dead ends: 661 [2024-11-23 23:59:53,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:59:53,699 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 187 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:53,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 479 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-23 23:59:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-23 23:59:53,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 574. [2024-11-23 23:59:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 420 states have (on average 1.3666666666666667) internal successors, (574), 422 states have internal predecessors, (574), 130 states have call successors, (130), 23 states have call predecessors, (130), 23 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-23 23:59:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 834 transitions. [2024-11-23 23:59:53,772 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 834 transitions. Word has length 130 [2024-11-23 23:59:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:53,772 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 834 transitions. [2024-11-23 23:59:53,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-11-23 23:59:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 834 transitions. [2024-11-23 23:59:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:53,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:53,775 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] [2024-11-23 23:59:53,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 23:59:53,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-23 23:59:54,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:59:54,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:54,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash 474624809, now seen corresponding path program 1 times [2024-11-23 23:59:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:54,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742247355] [2024-11-23 23:59:54,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:54,177 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 [2024-11-23 23:59:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:54,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:54,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 23:59:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:54,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:59:54,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:54,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:54,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:54,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742247355] [2024-11-23 23:59:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742247355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:59:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:59:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607227864] [2024-11-23 23:59:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:54,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:59:54,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:54,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:59:54,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:54,742 INFO L87 Difference]: Start difference. First operand 574 states and 834 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:55,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:59:55,302 INFO L93 Difference]: Finished difference Result 1513 states and 2209 transitions. [2024-11-23 23:59:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:59:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 130 [2024-11-23 23:59:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:59:55,315 INFO L225 Difference]: With dead ends: 1513 [2024-11-23 23:59:55,315 INFO L226 Difference]: Without dead ends: 1069 [2024-11-23 23:59:55,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:59:55,320 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 148 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:59:55,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 280 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:59:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-23 23:59:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 894. [2024-11-23 23:59:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 656 states have (on average 1.3719512195121952) internal successors, (900), 658 states have internal predecessors, (900), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-23 23:59:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1304 transitions. [2024-11-23 23:59:55,469 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1304 transitions. Word has length 130 [2024-11-23 23:59:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:59:55,470 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1304 transitions. [2024-11-23 23:59:55,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-23 23:59:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2024-11-23 23:59:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:59:55,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:59:55,473 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] [2024-11-23 23:59:55,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 [2024-11-23 23:59:55,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:55,673 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:59:55,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:59:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-11-23 23:59:55,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:59:55,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667737789] [2024-11-23 23:59:55,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:55,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:59:55,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:59:55,678 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:59:55,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 23:59:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:55,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:59:55,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-23 23:59:56,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:59:57,053 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:59:57,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667737789] [2024-11-23 23:59:57,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667737789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:59:57,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2075132506] [2024-11-23 23:59:57,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:59:57,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:59:57,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:59:57,055 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:59:57,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-23 23:59:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:59:57,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:59:57,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:59:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:59:58,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:59:58,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2075132506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:59:58,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:59:58,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-23 23:59:58,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247529998] [2024-11-23 23:59:58,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:59:58,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:59:58,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:59:58,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:59:58,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:59:58,853 INFO L87 Difference]: Start difference. First operand 894 states and 1304 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 00:00:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:00,564 INFO L93 Difference]: Finished difference Result 1793 states and 2622 transitions. [2024-11-24 00:00:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:00:00,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 130 [2024-11-24 00:00:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:00,571 INFO L225 Difference]: With dead ends: 1793 [2024-11-24 00:00:00,571 INFO L226 Difference]: Without dead ends: 959 [2024-11-24 00:00:00,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:00:00,574 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 100 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:00,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 444 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:00:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-24 00:00:00,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 890. [2024-11-24 00:00:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 652 states have (on average 1.361963190184049) internal successors, (888), 654 states have internal predecessors, (888), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-24 00:00:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1292 transitions. [2024-11-24 00:00:00,684 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1292 transitions. Word has length 130 [2024-11-24 00:00:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:00,685 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1292 transitions. [2024-11-24 00:00:00,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 00:00:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1292 transitions. [2024-11-24 00:00:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 00:00:00,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:00,687 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] [2024-11-24 00:00:00,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-24 00:00:00,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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)] Ended with exit code 0 [2024-11-24 00:00:01,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:01,088 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:01,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1467723606, now seen corresponding path program 1 times [2024-11-24 00:00:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:00:01,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102638808] [2024-11-24 00:00:01,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:01,089 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 00:00:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:00:01,091 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:01,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:00:01,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:00:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-24 00:00:01,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:00:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-24 00:00:04,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:00:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102638808] [2024-11-24 00:00:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102638808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:00:04,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:00:04,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-24 00:00:04,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940428790] [2024-11-24 00:00:04,248 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:00:04,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:00:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:00:04,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:00:04,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:00:04,250 INFO L87 Difference]: Start difference. First operand 890 states and 1292 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-24 00:00:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:11,918 INFO L93 Difference]: Finished difference Result 1742 states and 2432 transitions. [2024-11-24 00:00:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-24 00:00:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 131 [2024-11-24 00:00:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:11,925 INFO L225 Difference]: With dead ends: 1742 [2024-11-24 00:00:11,925 INFO L226 Difference]: Without dead ends: 1368 [2024-11-24 00:00:11,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=356, Invalid=766, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:00:11,927 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 238 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:11,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 369 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 00:00:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-24 00:00:12,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1093. [2024-11-24 00:00:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 819 states have (on average 1.3357753357753357) internal successors, (1094), 829 states have internal predecessors, (1094), 218 states have call successors, (218), 55 states have call predecessors, (218), 55 states have return successors, (218), 208 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-24 00:00:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1530 transitions. [2024-11-24 00:00:12,065 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1530 transitions. Word has length 131 [2024-11-24 00:00:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:12,065 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1530 transitions. [2024-11-24 00:00:12,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-24 00:00:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1530 transitions. [2024-11-24 00:00:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 00:00:12,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:12,069 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] [2024-11-24 00:00:12,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:12,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:12,273 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:12,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-11-24 00:00:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:00:12,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953517984] [2024-11-24 00:00:12,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:12,274 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 00:00:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:00:12,277 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 00:00:12,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ae992-2fd0-46b9-a3a1-cf59972731ec/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 (13)] Waiting until timeout for monitored process [2024-11-24 00:00:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:12,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 00:00:12,673 INFO L279 TraceCheckSpWp]: Computing forward predicates...