./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/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_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:42:58,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:42:59,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:42:59,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:42:59,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:42:59,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:42:59,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:42:59,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:42:59,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:42:59,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:42:59,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:42:59,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:42:59,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:42:59,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:42:59,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:42:59,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:42:59,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:42:59,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:42:59,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:42:59,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:42:59,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:42:59,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:42:59,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:42:59,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:42:59,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:42:59,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:42:59,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:42:59,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:42:59,074 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_485e6786-8534-480e-afb7-b209c4f15d8f/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2024-11-23 23:42:59,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:42:59,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:42:59,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:42:59,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:42:59,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:42:59,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-23 23:43:02,311 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/data/26b7cd573/78ebc11dabb44007925982ef130989e3/FLAGabf83181b [2024-11-23 23:43:02,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:43:02,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-23 23:43:02,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/data/26b7cd573/78ebc11dabb44007925982ef130989e3/FLAGabf83181b [2024-11-23 23:43:02,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/data/26b7cd573/78ebc11dabb44007925982ef130989e3 [2024-11-23 23:43:02,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:43:02,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:43:02,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:43:02,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:43:02,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:43:02,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:43:02" (1/1) ... [2024-11-23 23:43:02,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5033f763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:02, skipping insertion in model container [2024-11-23 23:43:02,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:43:02" (1/1) ... [2024-11-23 23:43:02,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:43:03,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:43:03,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:43:03,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:43:03,113 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:43:03,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03 WrapperNode [2024-11-23 23:43:03,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:43:03,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:43:03,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:43:03,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:43:03,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,135 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-23 23:43:03,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:43:03,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:43:03,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:43:03,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:43:03,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,150 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:43:03,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:43:03,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:43:03,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:43:03,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:43:03,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (1/1) ... [2024-11-23 23:43:03,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:43:03,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:03,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:43:03,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:43:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:43:03,297 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:43:03,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:43:03,435 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:43:03,437 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:43:03,449 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:43:03,449 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:43:03,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:43:03 BoogieIcfgContainer [2024-11-23 23:43:03,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:43:03,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:43:03,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:43:03,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:43:03,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:43:02" (1/3) ... [2024-11-23 23:43:03,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cafad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:43:03, skipping insertion in model container [2024-11-23 23:43:03,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:03" (2/3) ... [2024-11-23 23:43:03,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cafad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:43:03, skipping insertion in model container [2024-11-23 23:43:03,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:43:03" (3/3) ... [2024-11-23 23:43:03,463 INFO L128 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Fig9a.c [2024-11-23 23:43:03,483 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:43:03,485 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG BrockschmidtCookFuhs-CAV2013-Fig9a.c that has 1 procedures, 18 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-23 23:43:03,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:43:03,572 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;@4f9fa24e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:43:03,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-23 23:43:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:43:03,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:03,584 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:03,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:03,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:03,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1805029034, now seen corresponding path program 1 times [2024-11-23 23:43:03,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:03,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751202416] [2024-11-23 23:43:03,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:03,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:03,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:03,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751202416] [2024-11-23 23:43:03,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751202416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:43:03,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:43:03,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:43:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833546057] [2024-11-23 23:43:03,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:43:03,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:43:03,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:03,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:43:03,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:43:03,817 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:03,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:03,887 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-23 23:43:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:43:03,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-23 23:43:03,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:03,896 INFO L225 Difference]: With dead ends: 34 [2024-11-23 23:43:03,896 INFO L226 Difference]: Without dead ends: 13 [2024-11-23 23:43:03,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:43:03,902 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:03,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:43:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-23 23:43:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-23 23:43:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-23 23:43:03,937 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 7 [2024-11-23 23:43:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:03,937 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-23 23:43:03,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-23 23:43:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:43:03,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:03,939 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:03,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:43:03,940 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:03,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:03,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1805029103, now seen corresponding path program 1 times [2024-11-23 23:43:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:03,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495267174] [2024-11-23 23:43:03,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:04,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495267174] [2024-11-23 23:43:04,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495267174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:43:04,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:43:04,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:43:04,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105139163] [2024-11-23 23:43:04,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:43:04,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:43:04,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:04,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:43:04,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:43:04,043 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:04,114 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-11-23 23:43:04,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:43:04,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-23 23:43:04,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:04,115 INFO L225 Difference]: With dead ends: 23 [2024-11-23 23:43:04,115 INFO L226 Difference]: Without dead ends: 13 [2024-11-23 23:43:04,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:43:04,116 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:04,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:43:04,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-23 23:43:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-23 23:43:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-23 23:43:04,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 7 [2024-11-23 23:43:04,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:04,122 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-23 23:43:04,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-23 23:43:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 23:43:04,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:04,123 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:04,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:43:04,124 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:04,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:04,124 INFO L85 PathProgramCache]: Analyzing trace with hash 121325264, now seen corresponding path program 1 times [2024-11-23 23:43:04,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:04,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264617520] [2024-11-23 23:43:04,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:04,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:04,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:04,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264617520] [2024-11-23 23:43:04,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264617520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:43:04,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:43:04,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:43:04,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587222779] [2024-11-23 23:43:04,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:43:04,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:43:04,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:04,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:43:04,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:43:04,185 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:04,229 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2024-11-23 23:43:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:43:04,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-23 23:43:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:04,230 INFO L225 Difference]: With dead ends: 16 [2024-11-23 23:43:04,230 INFO L226 Difference]: Without dead ends: 15 [2024-11-23 23:43:04,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:43:04,231 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:04,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:43:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-23 23:43:04,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-23 23:43:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-23 23:43:04,236 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 8 [2024-11-23 23:43:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:04,237 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-23 23:43:04,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-23 23:43:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-23 23:43:04,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:04,237 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:04,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:43:04,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:04,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1961472603, now seen corresponding path program 1 times [2024-11-23 23:43:04,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:04,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715259947] [2024-11-23 23:43:04,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:04,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:04,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:04,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715259947] [2024-11-23 23:43:04,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715259947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188931347] [2024-11-23 23:43:04,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:04,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:04,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:04,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:43:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:04,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:43:04,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:04,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:43:04,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188931347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:04,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:04,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-23 23:43:04,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724037394] [2024-11-23 23:43:04,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:04,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:43:04,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:04,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:43:04,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:43:04,566 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:04,667 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-23 23:43:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:43:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-23 23:43:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:04,668 INFO L225 Difference]: With dead ends: 35 [2024-11-23 23:43:04,668 INFO L226 Difference]: Without dead ends: 23 [2024-11-23 23:43:04,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:43:04,670 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:04,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 11 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:43:04,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-23 23:43:04,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-23 23:43:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-11-23 23:43:04,682 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2024-11-23 23:43:04,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:04,682 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-11-23 23:43:04,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-23 23:43:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 23:43:04,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:04,683 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:04,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:43:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:04,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:04,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1778346251, now seen corresponding path program 1 times [2024-11-23 23:43:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313160414] [2024-11-23 23:43:04,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:43:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313160414] [2024-11-23 23:43:05,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313160414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389285472] [2024-11-23 23:43:05,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:43:05,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:05,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:05,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:05,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:43:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:05,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:43:05,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:43:05,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:43:05,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389285472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:05,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:05,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-23 23:43:05,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105074906] [2024-11-23 23:43:05,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:05,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 23:43:05,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:05,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 23:43:05,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:43:05,402 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:05,770 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2024-11-23 23:43:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:43:05,770 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-23 23:43:05,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:05,771 INFO L225 Difference]: With dead ends: 72 [2024-11-23 23:43:05,771 INFO L226 Difference]: Without dead ends: 70 [2024-11-23 23:43:05,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-23 23:43:05,774 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 36 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:05,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 28 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:43:05,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-23 23:43:05,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2024-11-23 23:43:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2024-11-23 23:43:05,795 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 19 [2024-11-23 23:43:05,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:05,795 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2024-11-23 23:43:05,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2024-11-23 23:43:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:43:05,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:05,796 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:43:05,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:43:05,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:05,997 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1121409877, now seen corresponding path program 2 times [2024-11-23 23:43:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450991299] [2024-11-23 23:43:05,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:43:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:06,026 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:43:06,026 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:43:06,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450991299] [2024-11-23 23:43:06,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450991299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980427740] [2024-11-23 23:43:06,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:43:06,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:06,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:06,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:06,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:43:06,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:43:06,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:06,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:43:06,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:43:06,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:43:06,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980427740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:06,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:06,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-11-23 23:43:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546821441] [2024-11-23 23:43:06,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:06,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 23:43:06,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:06,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 23:43:06,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:43:06,598 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:07,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:07,598 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2024-11-23 23:43:07,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-23 23:43:07,599 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-23 23:43:07,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:07,601 INFO L225 Difference]: With dead ends: 199 [2024-11-23 23:43:07,601 INFO L226 Difference]: Without dead ends: 197 [2024-11-23 23:43:07,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=449, Invalid=1443, Unknown=0, NotChecked=0, Total=1892 [2024-11-23 23:43:07,603 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 46 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:07,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 41 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:43:07,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-23 23:43:07,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 70. [2024-11-23 23:43:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-23 23:43:07,630 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 25 [2024-11-23 23:43:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:07,631 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-23 23:43:07,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 19 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-11-23 23:43:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:43:07,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:07,634 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-23 23:43:07,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:43:07,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 23:43:07,839 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:07,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1294604093, now seen corresponding path program 3 times [2024-11-23 23:43:07,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:07,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398222235] [2024-11-23 23:43:07,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:43:07,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:07,880 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-23 23:43:07,880 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:43:08,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398222235] [2024-11-23 23:43:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398222235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735738057] [2024-11-23 23:43:08,116 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:43:08,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:08,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:08,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:08,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:43:08,168 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-23 23:43:08,168 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:08,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:43:08,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:43:08,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:43:08,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735738057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:08,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:08,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-23 23:43:08,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334089191] [2024-11-23 23:43:08,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:08,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 23:43:08,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:08,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 23:43:08,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:43:08,557 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 21 states, 20 states have (on average 4.55) internal successors, (91), 21 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:09,622 INFO L93 Difference]: Finished difference Result 608 states and 731 transitions. [2024-11-23 23:43:09,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-23 23:43:09,623 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.55) internal successors, (91), 21 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-11-23 23:43:09,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:09,630 INFO L225 Difference]: With dead ends: 608 [2024-11-23 23:43:09,630 INFO L226 Difference]: Without dead ends: 606 [2024-11-23 23:43:09,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=904, Invalid=2636, Unknown=0, NotChecked=0, Total=3540 [2024-11-23 23:43:09,633 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 49 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:09,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 38 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:43:09,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-23 23:43:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 377. [2024-11-23 23:43:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 375 states have (on average 1.208) internal successors, (453), 376 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 453 transitions. [2024-11-23 23:43:09,726 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 453 transitions. Word has length 43 [2024-11-23 23:43:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:09,727 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 453 transitions. [2024-11-23 23:43:09,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.55) internal successors, (91), 21 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 453 transitions. [2024-11-23 23:43:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 23:43:09,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:09,730 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-23 23:43:09,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:43:09,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 23:43:09,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:09,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:09,936 INFO L85 PathProgramCache]: Analyzing trace with hash -368024227, now seen corresponding path program 4 times [2024-11-23 23:43:09,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900677062] [2024-11-23 23:43:09,937 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:43:09,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:09,967 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:43:09,968 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:43:10,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900677062] [2024-11-23 23:43:10,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900677062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:10,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505084546] [2024-11-23 23:43:10,413 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:43:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:10,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:10,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:10,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:43:10,462 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:43:10,462 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:10,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:43:10,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 98 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:43:10,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 71 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:43:11,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505084546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:11,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:11,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 35 [2024-11-23 23:43:11,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959980663] [2024-11-23 23:43:11,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:11,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-23 23:43:11,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:11,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-23 23:43:11,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1024, Unknown=0, NotChecked=0, Total=1190 [2024-11-23 23:43:11,196 INFO L87 Difference]: Start difference. First operand 377 states and 453 transitions. Second operand has 35 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 35 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:13,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:13,296 INFO L93 Difference]: Finished difference Result 932 states and 1129 transitions. [2024-11-23 23:43:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-23 23:43:13,297 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 35 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-23 23:43:13,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:13,301 INFO L225 Difference]: With dead ends: 932 [2024-11-23 23:43:13,301 INFO L226 Difference]: Without dead ends: 575 [2024-11-23 23:43:13,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1348 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1241, Invalid=4921, Unknown=0, NotChecked=0, Total=6162 [2024-11-23 23:43:13,308 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 149 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:13,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 55 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:43:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-23 23:43:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 447. [2024-11-23 23:43:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 445 states have (on average 1.1595505617977528) internal successors, (516), 446 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 516 transitions. [2024-11-23 23:43:13,404 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 516 transitions. Word has length 49 [2024-11-23 23:43:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:13,404 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 516 transitions. [2024-11-23 23:43:13,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 35 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 516 transitions. [2024-11-23 23:43:13,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-23 23:43:13,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:13,412 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-23 23:43:13,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:43:13,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 23:43:13,616 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:13,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1129896987, now seen corresponding path program 5 times [2024-11-23 23:43:13,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:13,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874196196] [2024-11-23 23:43:13,616 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:43:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:13,635 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-23 23:43:13,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 139 proven. 16 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-23 23:43:13,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:13,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874196196] [2024-11-23 23:43:13,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874196196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:13,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563271317] [2024-11-23 23:43:13,751 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:43:13,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:13,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:13,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:13,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:43:13,801 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-23 23:43:13,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:13,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:43:13,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 142 proven. 13 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-23 23:43:13,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 139 proven. 16 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-23 23:43:13,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563271317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:13,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:13,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-23 23:43:13,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870395539] [2024-11-23 23:43:13,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:13,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:43:13,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:13,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:43:13,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:43:13,966 INFO L87 Difference]: Start difference. First operand 447 states and 516 transitions. Second operand has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:14,254 INFO L93 Difference]: Finished difference Result 813 states and 942 transitions. [2024-11-23 23:43:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:43:14,255 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-23 23:43:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:14,258 INFO L225 Difference]: With dead ends: 813 [2024-11-23 23:43:14,258 INFO L226 Difference]: Without dead ends: 444 [2024-11-23 23:43:14,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:43:14,261 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:14,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 31 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:43:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-23 23:43:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 436. [2024-11-23 23:43:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 434 states have (on average 1.1036866359447004) internal successors, (479), 435 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 479 transitions. [2024-11-23 23:43:14,340 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 479 transitions. Word has length 55 [2024-11-23 23:43:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:14,340 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 479 transitions. [2024-11-23 23:43:14,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 479 transitions. [2024-11-23 23:43:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-23 23:43:14,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:14,342 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-23 23:43:14,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:43:14,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 23:43:14,547 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:14,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash -978809871, now seen corresponding path program 6 times [2024-11-23 23:43:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:14,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104170897] [2024-11-23 23:43:14,548 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 23:43:14,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:14,562 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-23 23:43:14,563 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:43:14,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:14,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104170897] [2024-11-23 23:43:14,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104170897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:14,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354982808] [2024-11-23 23:43:14,781 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 23:43:14,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:14,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:14,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:14,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:43:14,833 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-23 23:43:14,834 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:14,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:43:14,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-23 23:43:15,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 193 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-23 23:43:15,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354982808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:15,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:15,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2024-11-23 23:43:15,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31190579] [2024-11-23 23:43:15,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:15,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-23 23:43:15,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:15,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-23 23:43:15,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2024-11-23 23:43:15,339 INFO L87 Difference]: Start difference. First operand 436 states and 479 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:17,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:17,605 INFO L93 Difference]: Finished difference Result 459 states and 510 transitions. [2024-11-23 23:43:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-23 23:43:17,606 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-23 23:43:17,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:17,608 INFO L225 Difference]: With dead ends: 459 [2024-11-23 23:43:17,609 INFO L226 Difference]: Without dead ends: 458 [2024-11-23 23:43:17,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5196 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3009, Invalid=9873, Unknown=0, NotChecked=0, Total=12882 [2024-11-23 23:43:17,612 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 83 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:17,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 56 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:43:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-23 23:43:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 421. [2024-11-23 23:43:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 419 states have (on average 1.0835322195704058) internal successors, (454), 420 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 454 transitions. [2024-11-23 23:43:17,667 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 454 transitions. Word has length 55 [2024-11-23 23:43:17,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:17,668 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 454 transitions. [2024-11-23 23:43:17,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 454 transitions. [2024-11-23 23:43:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-23 23:43:17,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:17,670 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-23 23:43:17,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:43:17,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:43:17,871 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:17,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 248549793, now seen corresponding path program 7 times [2024-11-23 23:43:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:17,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728104247] [2024-11-23 23:43:17,872 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 23:43:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 553 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:43:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728104247] [2024-11-23 23:43:18,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728104247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984887974] [2024-11-23 23:43:18,206 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 23:43:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:18,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:18,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:18,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:43:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:43:18,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:43:18,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 553 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:43:18,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 553 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:43:18,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984887974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:18,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:18,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2024-11-23 23:43:18,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567664597] [2024-11-23 23:43:18,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:18,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-23 23:43:18,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:18,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-23 23:43:18,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=726, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 23:43:18,866 INFO L87 Difference]: Start difference. First operand 421 states and 454 transitions. Second operand has 33 states, 32 states have (on average 5.84375) internal successors, (187), 33 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:21,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:21,055 INFO L93 Difference]: Finished difference Result 1216 states and 1426 transitions. [2024-11-23 23:43:21,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-11-23 23:43:21,056 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.84375) internal successors, (187), 33 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-23 23:43:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:21,061 INFO L225 Difference]: With dead ends: 1216 [2024-11-23 23:43:21,061 INFO L226 Difference]: Without dead ends: 1214 [2024-11-23 23:43:21,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5686 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=4096, Invalid=11654, Unknown=0, NotChecked=0, Total=15750 [2024-11-23 23:43:21,065 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 79 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:21,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 63 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:43:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-23 23:43:21,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1144. [2024-11-23 23:43:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1142 states have (on average 1.0831873905429072) internal successors, (1237), 1143 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1237 transitions. [2024-11-23 23:43:21,173 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1237 transitions. Word has length 91 [2024-11-23 23:43:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:21,174 INFO L471 AbstractCegarLoop]: Abstraction has 1144 states and 1237 transitions. [2024-11-23 23:43:21,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.84375) internal successors, (187), 33 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1237 transitions. [2024-11-23 23:43:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 23:43:21,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:21,176 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-23 23:43:21,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 23:43:21,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:21,384 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:21,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:21,385 INFO L85 PathProgramCache]: Analyzing trace with hash -813023767, now seen corresponding path program 8 times [2024-11-23 23:43:21,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:21,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170554942] [2024-11-23 23:43:21,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:43:21,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:21,407 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:43:21,407 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 329 proven. 51 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-23 23:43:21,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:21,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170554942] [2024-11-23 23:43:21,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170554942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:21,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215495943] [2024-11-23 23:43:21,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:43:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:21,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:21,678 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:21,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:43:21,732 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:43:21,732 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:21,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:43:21,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 851 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 23:43:22,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 1 proven. 850 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 23:43:22,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215495943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:22,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:22,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 41 [2024-11-23 23:43:22,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405765813] [2024-11-23 23:43:22,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:22,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-23 23:43:22,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:22,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-23 23:43:22,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1441, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 23:43:22,861 INFO L87 Difference]: Start difference. First operand 1144 states and 1237 transitions. Second operand has 42 states, 41 states have (on average 5.341463414634147) internal successors, (219), 42 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:39,883 INFO L93 Difference]: Finished difference Result 6020 states and 7308 transitions. [2024-11-23 23:43:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 424 states. [2024-11-23 23:43:39,883 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.341463414634147) internal successors, (219), 42 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-23 23:43:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:39,900 INFO L225 Difference]: With dead ends: 6020 [2024-11-23 23:43:39,900 INFO L226 Difference]: Without dead ends: 5707 [2024-11-23 23:43:39,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93283 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=25519, Invalid=176531, Unknown=0, NotChecked=0, Total=202050 [2024-11-23 23:43:39,922 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 467 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:39,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 89 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:43:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5707 states. [2024-11-23 23:43:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5707 to 2307. [2024-11-23 23:43:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2305 states have (on average 1.113232104121475) internal successors, (2566), 2306 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2566 transitions. [2024-11-23 23:43:40,278 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2566 transitions. Word has length 109 [2024-11-23 23:43:40,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:40,279 INFO L471 AbstractCegarLoop]: Abstraction has 2307 states and 2566 transitions. [2024-11-23 23:43:40,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.341463414634147) internal successors, (219), 42 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2566 transitions. [2024-11-23 23:43:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-23 23:43:40,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:40,284 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 18, 18, 17, 17, 17, 1, 1, 1, 1] [2024-11-23 23:43:40,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 23:43:40,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:40,488 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:40,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:40,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1065223827, now seen corresponding path program 9 times [2024-11-23 23:43:40,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:40,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906616190] [2024-11-23 23:43:40,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:43:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:40,517 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-23 23:43:40,518 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 840 proven. 190 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-23 23:43:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906616190] [2024-11-23 23:43:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906616190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:40,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278934005] [2024-11-23 23:43:40,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:43:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:40,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:40,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 23:43:40,858 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-23 23:43:40,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:40,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:43:40,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 840 proven. 190 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-23 23:43:41,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 840 proven. 190 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-23 23:43:41,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278934005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:41,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:41,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2024-11-23 23:43:41,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929324272] [2024-11-23 23:43:41,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:41,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-23 23:43:41,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:41,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-23 23:43:41,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:43:41,516 INFO L87 Difference]: Start difference. First operand 2307 states and 2566 transitions. Second operand has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:43,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:43:43,701 INFO L93 Difference]: Finished difference Result 4737 states and 5389 transitions. [2024-11-23 23:43:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-23 23:43:43,702 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-11-23 23:43:43,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:43:43,715 INFO L225 Difference]: With dead ends: 4737 [2024-11-23 23:43:43,715 INFO L226 Difference]: Without dead ends: 4736 [2024-11-23 23:43:43,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1725 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1202, Invalid=4804, Unknown=0, NotChecked=0, Total=6006 [2024-11-23 23:43:43,717 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 90 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:43:43,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 29 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:43:43,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2024-11-23 23:43:44,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 3160. [2024-11-23 23:43:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 3158 states have (on average 1.123495883470551) internal successors, (3548), 3159 states have internal predecessors, (3548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 3548 transitions. [2024-11-23 23:43:44,185 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 3548 transitions. Word has length 159 [2024-11-23 23:43:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:43:44,185 INFO L471 AbstractCegarLoop]: Abstraction has 3160 states and 3548 transitions. [2024-11-23 23:43:44,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:43:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 3548 transitions. [2024-11-23 23:43:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-23 23:43:44,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:43:44,192 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 19, 19, 18, 18, 18, 1, 1, 1, 1] [2024-11-23 23:43:44,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 23:43:44,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:44,396 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:43:44,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:43:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1127110859, now seen corresponding path program 10 times [2024-11-23 23:43:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:43:44,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654306907] [2024-11-23 23:43:44,397 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:43:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:43:44,433 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:43:44,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 1204 proven. 1093 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-11-23 23:43:44,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:43:44,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654306907] [2024-11-23 23:43:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654306907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:43:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027936991] [2024-11-23 23:43:44,977 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:43:44,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:43:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:43:44,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:43:44,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 23:43:45,063 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:43:45,063 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:43:45,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:43:45,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:43:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 72 proven. 2429 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-23 23:43:45,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:43:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 10 proven. 2491 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-23 23:43:46,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027936991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:43:46,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:43:46,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 60 [2024-11-23 23:43:46,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485749433] [2024-11-23 23:43:46,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:43:46,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-23 23:43:46,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:43:46,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-23 23:43:46,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2992, Unknown=0, NotChecked=0, Total=3660 [2024-11-23 23:43:46,852 INFO L87 Difference]: Start difference. First operand 3160 states and 3548 transitions. Second operand has 61 states, 60 states have (on average 6.25) internal successors, (375), 61 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:46:39,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:39,695 INFO L93 Difference]: Finished difference Result 17629 states and 20477 transitions. [2024-11-23 23:46:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1653 states. [2024-11-23 23:46:39,696 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 60 states have (on average 6.25) internal successors, (375), 61 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2024-11-23 23:46:39,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:39,735 INFO L225 Difference]: With dead ends: 17629 [2024-11-23 23:46:39,735 INFO L226 Difference]: Without dead ends: 17627 [2024-11-23 23:46:39,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2018 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 1691 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1508125 ImplicationChecksByTransitivity, 166.7s TimeCoverageRelationStatistics Valid=375105, Invalid=2489451, Unknown=0, NotChecked=0, Total=2864556 [2024-11-23 23:46:39,842 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1278 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 1501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 2863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:39,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 128 Invalid, 2863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1501 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-23 23:46:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17627 states. [2024-11-23 23:46:40,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17627 to 6809. [2024-11-23 23:46:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6809 states, 6807 states have (on average 1.122961657117673) internal successors, (7644), 6808 states have internal predecessors, (7644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:46:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 7644 transitions. [2024-11-23 23:46:40,922 INFO L78 Accepts]: Start accepts. Automaton has 6809 states and 7644 transitions. Word has length 185 [2024-11-23 23:46:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:40,923 INFO L471 AbstractCegarLoop]: Abstraction has 6809 states and 7644 transitions. [2024-11-23 23:46:40,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 6.25) internal successors, (375), 61 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:46:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6809 states and 7644 transitions. [2024-11-23 23:46:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-23 23:46:40,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:40,932 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 30, 30, 30, 1, 1, 1, 1] [2024-11-23 23:46:40,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 23:46:41,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:41,136 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-23 23:46:41,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:41,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1584590439, now seen corresponding path program 11 times [2024-11-23 23:46:41,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:41,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276978954] [2024-11-23 23:46:41,137 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:46:41,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:41,228 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2024-11-23 23:46:41,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:46:42,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276978954] [2024-11-23 23:46:42,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276978954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:46:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282593529] [2024-11-23 23:46:42,508 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:46:42,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:42,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:42,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485e6786-8534-480e-afb7-b209c4f15d8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 23:46:42,625 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2024-11-23 23:46:42,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:42,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-23 23:46:42,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:46:43,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:46:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282593529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:44,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:46:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 72 [2024-11-23 23:46:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611918606] [2024-11-23 23:46:44,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-23 23:46:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:44,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-23 23:46:44,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2110, Invalid=3146, Unknown=0, NotChecked=0, Total=5256 [2024-11-23 23:46:44,692 INFO L87 Difference]: Start difference. First operand 6809 states and 7644 transitions. Second operand has 73 states, 72 states have (on average 7.041666666666667) internal successors, (507), 73 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:47:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:14,969 INFO L93 Difference]: Finished difference Result 139501 states and 158277 transitions. [2024-11-23 23:47:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-11-23 23:47:14,970 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 72 states have (on average 7.041666666666667) internal successors, (507), 73 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 251 [2024-11-23 23:47:14,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:15,375 INFO L225 Difference]: With dead ends: 139501 [2024-11-23 23:47:15,375 INFO L226 Difference]: Without dead ends: 139499 [2024-11-23 23:47:15,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47276 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=31376, Invalid=87994, Unknown=0, NotChecked=0, Total=119370 [2024-11-23 23:47:15,413 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 282 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:15,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 116 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:47:15,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139499 states.