./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.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_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/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_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/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_f35f9709-6a75-414e-8e42-64dc9c4f3e97/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 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:27:02,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:27:02,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 18:27:02,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:27:02,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:27:02,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:27:02,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:27:02,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:27:02,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:27:02,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:27:02,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:27:02,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:27:02,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:27:02,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:27:02,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:27:02,416 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:27:02,417 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:27:02,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:02,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:02,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:27:02,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:27:02,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:27:02,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:27:02,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:27:02,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:27:02,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:27:02,419 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_f35f9709-6a75-414e-8e42-64dc9c4f3e97/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 -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2024-11-23 18:27:02,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:27:02,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:27:02,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:27:02,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:27:02,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:27:02,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-23 18:27:05,823 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/data/1e2473f5f/18f78c5e9de74e4f919b13c4137c4726/FLAG7b027967a [2024-11-23 18:27:06,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:27:06,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-23 18:27:06,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/data/1e2473f5f/18f78c5e9de74e4f919b13c4137c4726/FLAG7b027967a [2024-11-23 18:27:06,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/data/1e2473f5f/18f78c5e9de74e4f919b13c4137c4726 [2024-11-23 18:27:06,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:27:06,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:27:06,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:27:06,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:27:06,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:27:06,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72be3b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06, skipping insertion in model container [2024-11-23 18:27:06,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:27:06,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:27:06,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:27:06,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:27:06,297 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:27:06,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06 WrapperNode [2024-11-23 18:27:06,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:27:06,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:27:06,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:27:06,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:27:06,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,322 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-23 18:27:06,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:27:06,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:27:06,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:27:06,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:27:06,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,338 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 18:27:06,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:27:06,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:27:06,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:27:06,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:27:06,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (1/1) ... [2024-11-23 18:27:06,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:06,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:27:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:27:06,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:27:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:27:06,502 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:27:06,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:27:06,688 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 18:27:06,689 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:27:06,704 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:27:06,705 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 18:27:06,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:06 BoogieIcfgContainer [2024-11-23 18:27:06,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:27:06,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:27:06,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:27:06,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:27:06,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:27:06" (1/3) ... [2024-11-23 18:27:06,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365b2133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:06, skipping insertion in model container [2024-11-23 18:27:06,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:06" (2/3) ... [2024-11-23 18:27:06,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365b2133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:06, skipping insertion in model container [2024-11-23 18:27:06,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:06" (3/3) ... [2024-11-23 18:27:06,718 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-23 18:27:06,736 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:27:06,737 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c that has 1 procedures, 32 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2024-11-23 18:27:06,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:27:06,825 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;@620b41e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:27:06,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 18:27:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 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 18:27:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-23 18:27:06,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:06,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-23 18:27:06,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:06,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:06,847 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-23 18:27:06,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:06,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671387515] [2024-11-23 18:27:06,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:06,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,032 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 18:27:07,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:07,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671387515] [2024-11-23 18:27:07,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671387515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:07,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:07,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:07,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697101136] [2024-11-23 18:27:07,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:07,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:07,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:07,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:07,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,064 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 18:27:07,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:07,104 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2024-11-23 18:27:07,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:07,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-23 18:27:07,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:07,116 INFO L225 Difference]: With dead ends: 36 [2024-11-23 18:27:07,116 INFO L226 Difference]: Without dead ends: 27 [2024-11-23 18:27:07,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,124 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 27 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:07,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 34 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-23 18:27:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-23 18:27:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 26 states have internal predecessors, (32), 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 18:27:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-11-23 18:27:07,170 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 4 [2024-11-23 18:27:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:07,170 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-23 18:27:07,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 18:27:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-23 18:27:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 18:27:07,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:07,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 18:27:07,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:27:07,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:07,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 28696838, now seen corresponding path program 1 times [2024-11-23 18:27:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147514475] [2024-11-23 18:27:07,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,224 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 18:27:07,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147514475] [2024-11-23 18:27:07,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147514475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:07,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:07,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831980144] [2024-11-23 18:27:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:07,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:07,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:07,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,229 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:27:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:07,253 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-11-23 18:27:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:07,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-23 18:27:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:07,254 INFO L225 Difference]: With dead ends: 31 [2024-11-23 18:27:07,254 INFO L226 Difference]: Without dead ends: 30 [2024-11-23 18:27:07,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,255 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:07,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:07,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-23 18:27:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-23 18:27:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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 18:27:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-23 18:27:07,263 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 5 [2024-11-23 18:27:07,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:07,263 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-23 18:27:07,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:27:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-23 18:27:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 18:27:07,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:07,264 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:07,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:27:07,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:07,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:07,265 INFO L85 PathProgramCache]: Analyzing trace with hash 209056716, now seen corresponding path program 1 times [2024-11-23 18:27:07,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:07,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761093682] [2024-11-23 18:27:07,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:07,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,308 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 18:27:07,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:07,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761093682] [2024-11-23 18:27:07,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761093682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:07,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:07,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:07,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781197962] [2024-11-23 18:27:07,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:07,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:07,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:07,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:07,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,310 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 18:27:07,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:07,342 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2024-11-23 18:27:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:07,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 18:27:07,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:07,343 INFO L225 Difference]: With dead ends: 53 [2024-11-23 18:27:07,343 INFO L226 Difference]: Without dead ends: 51 [2024-11-23 18:27:07,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,345 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:07,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:07,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-23 18:27:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2024-11-23 18:27:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 44 states have internal predecessors, (61), 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 18:27:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-11-23 18:27:07,351 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 8 [2024-11-23 18:27:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:07,352 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-11-23 18:27:07,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 18:27:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-23 18:27:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 18:27:07,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:07,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:07,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:27:07,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:07,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:07,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2109176341, now seen corresponding path program 1 times [2024-11-23 18:27:07,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:07,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410185015] [2024-11-23 18:27:07,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:07,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,395 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 18:27:07,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:07,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410185015] [2024-11-23 18:27:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410185015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:07,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975698451] [2024-11-23 18:27:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:07,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:07,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:07,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:07,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,397 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 18:27:07,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:07,429 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2024-11-23 18:27:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:07,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-23 18:27:07,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:07,431 INFO L225 Difference]: With dead ends: 83 [2024-11-23 18:27:07,431 INFO L226 Difference]: Without dead ends: 81 [2024-11-23 18:27:07,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:07,432 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:07,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:07,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-23 18:27:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2024-11-23 18:27:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 75 states have internal predecessors, (114), 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 18:27:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 114 transitions. [2024-11-23 18:27:07,447 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 114 transitions. Word has length 9 [2024-11-23 18:27:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:07,448 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 114 transitions. [2024-11-23 18:27:07,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 18:27:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2024-11-23 18:27:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 18:27:07,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:07,448 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-23 18:27:07,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:27:07,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:07,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:07,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2108027305, now seen corresponding path program 1 times [2024-11-23 18:27:07,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:07,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847555180] [2024-11-23 18:27:07,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:07,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:07,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:07,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847555180] [2024-11-23 18:27:07,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847555180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:07,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430430504] [2024-11-23 18:27:07,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:07,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:07,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:07,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:07,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:27:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:07,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:07,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:07,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430430504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:07,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:07,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:07,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334932421] [2024-11-23 18:27:07,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:07,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:07,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:07,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:07,710 INFO L87 Difference]: Start difference. First operand 76 states and 114 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18:27:07,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:07,781 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2024-11-23 18:27:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:27:07,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 9 [2024-11-23 18:27:07,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:07,784 INFO L225 Difference]: With dead ends: 231 [2024-11-23 18:27:07,784 INFO L226 Difference]: Without dead ends: 230 [2024-11-23 18:27:07,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:07,785 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 97 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 131 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 18:27:07,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 131 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-23 18:27:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 210. [2024-11-23 18:27:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 201 states have (on average 1.6467661691542288) internal successors, (331), 209 states have internal predecessors, (331), 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 18:27:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 331 transitions. [2024-11-23 18:27:07,810 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 331 transitions. Word has length 9 [2024-11-23 18:27:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:07,810 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 331 transitions. [2024-11-23 18:27:07,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18:27:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 331 transitions. [2024-11-23 18:27:07,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 18:27:07,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:07,811 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:07,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:27:08,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:08,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:08,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash -959765387, now seen corresponding path program 1 times [2024-11-23 18:27:08,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:08,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670240898] [2024-11-23 18:27:08,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:08,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:08,056 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 18:27:08,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670240898] [2024-11-23 18:27:08,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670240898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:08,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:08,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:08,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640351282] [2024-11-23 18:27:08,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:08,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:08,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:08,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:08,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:08,059 INFO L87 Difference]: Start difference. First operand 210 states and 331 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 18:27:08,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:08,135 INFO L93 Difference]: Finished difference Result 354 states and 555 transitions. [2024-11-23 18:27:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:08,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-23 18:27:08,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:08,140 INFO L225 Difference]: With dead ends: 354 [2024-11-23 18:27:08,143 INFO L226 Difference]: Without dead ends: 352 [2024-11-23 18:27:08,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:08,145 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 17 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:08,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-23 18:27:08,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 339. [2024-11-23 18:27:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 330 states have (on average 1.5606060606060606) internal successors, (515), 338 states have internal predecessors, (515), 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 18:27:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2024-11-23 18:27:08,213 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 10 [2024-11-23 18:27:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:08,213 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2024-11-23 18:27:08,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 18:27:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2024-11-23 18:27:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-23 18:27:08,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:08,214 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:08,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:27:08,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:08,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash 312044148, now seen corresponding path program 1 times [2024-11-23 18:27:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:08,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489024869] [2024-11-23 18:27:08,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:08,279 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 18:27:08,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:08,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489024869] [2024-11-23 18:27:08,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489024869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:08,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:08,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:27:08,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342190499] [2024-11-23 18:27:08,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:08,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:27:08,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:08,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:27:08,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:08,282 INFO L87 Difference]: Start difference. First operand 339 states and 515 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18:27:08,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:08,335 INFO L93 Difference]: Finished difference Result 565 states and 856 transitions. [2024-11-23 18:27:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:27:08,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18:27:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:08,339 INFO L225 Difference]: With dead ends: 565 [2024-11-23 18:27:08,339 INFO L226 Difference]: Without dead ends: 563 [2024-11-23 18:27:08,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:27:08,343 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:08,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-23 18:27:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 558. [2024-11-23 18:27:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 549 states have (on average 1.5009107468123861) internal successors, (824), 557 states have internal predecessors, (824), 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 18:27:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 824 transitions. [2024-11-23 18:27:08,411 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 824 transitions. Word has length 11 [2024-11-23 18:27:08,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:08,412 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 824 transitions. [2024-11-23 18:27:08,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18:27:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 824 transitions. [2024-11-23 18:27:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-23 18:27:08,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:08,413 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-23 18:27:08,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:27:08,414 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:08,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1524233122, now seen corresponding path program 1 times [2024-11-23 18:27:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:08,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487562939] [2024-11-23 18:27:08,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:08,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487562939] [2024-11-23 18:27:08,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487562939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874760270] [2024-11-23 18:27:08,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:08,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:08,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:08,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:08,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:27:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:08,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:08,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:08,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:08,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874760270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:08,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:08,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:08,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213671448] [2024-11-23 18:27:08,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:08,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:08,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:08,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:08,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:08,706 INFO L87 Difference]: Start difference. First operand 558 states and 824 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 18:27:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:08,823 INFO L93 Difference]: Finished difference Result 1058 states and 1611 transitions. [2024-11-23 18:27:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:27:08,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 16 [2024-11-23 18:27:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:08,830 INFO L225 Difference]: With dead ends: 1058 [2024-11-23 18:27:08,831 INFO L226 Difference]: Without dead ends: 1056 [2024-11-23 18:27:08,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:08,833 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 90 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:08,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 117 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:08,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-23 18:27:08,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 916. [2024-11-23 18:27:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 907 states have (on average 1.5203969128996693) internal successors, (1379), 915 states have internal predecessors, (1379), 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 18:27:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1379 transitions. [2024-11-23 18:27:08,921 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1379 transitions. Word has length 16 [2024-11-23 18:27:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:08,921 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1379 transitions. [2024-11-23 18:27:08,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 18:27:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1379 transitions. [2024-11-23 18:27:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-23 18:27:08,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:08,922 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:08,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:27:09,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:09,126 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:09,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1347817305, now seen corresponding path program 1 times [2024-11-23 18:27:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:09,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186056167] [2024-11-23 18:27:09,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:09,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186056167] [2024-11-23 18:27:09,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186056167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:09,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574299977] [2024-11-23 18:27:09,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:09,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:09,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:09,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:09,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:27:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:09,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:09,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574299977] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:09,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:09,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:09,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563830438] [2024-11-23 18:27:09,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:09,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:09,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:09,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:09,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:09,363 INFO L87 Difference]: Start difference. First operand 916 states and 1379 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 18:27:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:09,473 INFO L93 Difference]: Finished difference Result 1571 states and 2432 transitions. [2024-11-23 18:27:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:27:09,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 16 [2024-11-23 18:27:09,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:09,481 INFO L225 Difference]: With dead ends: 1571 [2024-11-23 18:27:09,482 INFO L226 Difference]: Without dead ends: 1569 [2024-11-23 18:27:09,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:09,484 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 87 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:09,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 93 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-11-23 18:27:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1077. [2024-11-23 18:27:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1069 states have (on average 1.5060804490177737) internal successors, (1610), 1076 states have internal predecessors, (1610), 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 18:27:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1610 transitions. [2024-11-23 18:27:09,556 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1610 transitions. Word has length 16 [2024-11-23 18:27:09,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:09,557 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1610 transitions. [2024-11-23 18:27:09,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 18:27:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1610 transitions. [2024-11-23 18:27:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 18:27:09,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:09,559 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-23 18:27:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 18:27:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 18:27:09,759 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash -96244734, now seen corresponding path program 1 times [2024-11-23 18:27:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:09,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909254021] [2024-11-23 18:27:09,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:09,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909254021] [2024-11-23 18:27:09,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909254021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:09,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688870538] [2024-11-23 18:27:09,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:09,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:09,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:09,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:27:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:09,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:09,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:09,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688870538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:09,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:09,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:09,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288238521] [2024-11-23 18:27:09,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:09,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:09,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:09,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:09,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:09,975 INFO L87 Difference]: Start difference. First operand 1077 states and 1610 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 18:27:10,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:10,119 INFO L93 Difference]: Finished difference Result 2449 states and 3822 transitions. [2024-11-23 18:27:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:27:10,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 20 [2024-11-23 18:27:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:10,132 INFO L225 Difference]: With dead ends: 2449 [2024-11-23 18:27:10,132 INFO L226 Difference]: Without dead ends: 2447 [2024-11-23 18:27:10,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:10,135 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 120 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:10,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 110 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-11-23 18:27:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2128. [2024-11-23 18:27:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2120 states have (on average 1.5179245283018867) internal successors, (3218), 2127 states have internal predecessors, (3218), 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 18:27:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3218 transitions. [2024-11-23 18:27:10,236 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3218 transitions. Word has length 20 [2024-11-23 18:27:10,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:10,236 INFO L471 AbstractCegarLoop]: Abstraction has 2128 states and 3218 transitions. [2024-11-23 18:27:10,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 18:27:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3218 transitions. [2024-11-23 18:27:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 18:27:10,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:10,238 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:10,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 18:27:10,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 18:27:10,439 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:10,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:10,440 INFO L85 PathProgramCache]: Analyzing trace with hash -308312981, now seen corresponding path program 1 times [2024-11-23 18:27:10,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:10,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729457093] [2024-11-23 18:27:10,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:10,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:10,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:10,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729457093] [2024-11-23 18:27:10,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729457093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:10,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776944147] [2024-11-23 18:27:10,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:10,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:10,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:10,528 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:10,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 18:27:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:10,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:10,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:10,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:10,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776944147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:10,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:10,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:10,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244925302] [2024-11-23 18:27:10,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:10,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:10,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:10,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:10,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:10,673 INFO L87 Difference]: Start difference. First operand 2128 states and 3218 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 18:27:10,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:10,827 INFO L93 Difference]: Finished difference Result 4025 states and 6272 transitions. [2024-11-23 18:27:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:27:10,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 20 [2024-11-23 18:27:10,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:10,846 INFO L225 Difference]: With dead ends: 4025 [2024-11-23 18:27:10,846 INFO L226 Difference]: Without dead ends: 4023 [2024-11-23 18:27:10,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:10,850 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 98 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:10,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:10,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2024-11-23 18:27:10,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 2622. [2024-11-23 18:27:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2622 states, 2615 states have (on average 1.4944550669216061) internal successors, (3908), 2621 states have internal predecessors, (3908), 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 18:27:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3908 transitions. [2024-11-23 18:27:10,992 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3908 transitions. Word has length 20 [2024-11-23 18:27:10,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:10,994 INFO L471 AbstractCegarLoop]: Abstraction has 2622 states and 3908 transitions. [2024-11-23 18:27:10,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 18:27:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3908 transitions. [2024-11-23 18:27:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 18:27:10,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:10,996 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1] [2024-11-23 18:27:11,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 18:27:11,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:11,196 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:11,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1201746762, now seen corresponding path program 2 times [2024-11-23 18:27:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:11,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381256216] [2024-11-23 18:27:11,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:11,203 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 18:27:11,204 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 18:27:11,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381256216] [2024-11-23 18:27:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381256216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712530358] [2024-11-23 18:27:11,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:11,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:11,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:11,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 18:27:11,272 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 18:27:11,272 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:11,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:27:11,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 18:27:11,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 18:27:11,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712530358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:11,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:11,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-23 18:27:11,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028394932] [2024-11-23 18:27:11,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:11,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:27:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:11,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:27:11,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:27:11,366 INFO L87 Difference]: Start difference. First operand 2622 states and 3908 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18:27:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:11,452 INFO L93 Difference]: Finished difference Result 2622 states and 3908 transitions. [2024-11-23 18:27:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:27:11,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 21 [2024-11-23 18:27:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:11,463 INFO L225 Difference]: With dead ends: 2622 [2024-11-23 18:27:11,463 INFO L226 Difference]: Without dead ends: 2621 [2024-11-23 18:27:11,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:27:11,466 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 70 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:11,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 52 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:27:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2024-11-23 18:27:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2270. [2024-11-23 18:27:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 2264 states have (on average 1.4536219081272084) internal successors, (3291), 2269 states have internal predecessors, (3291), 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 18:27:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3291 transitions. [2024-11-23 18:27:11,599 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3291 transitions. Word has length 21 [2024-11-23 18:27:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:11,599 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3291 transitions. [2024-11-23 18:27:11,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18:27:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3291 transitions. [2024-11-23 18:27:11,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 18:27:11,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:11,600 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-23 18:27:11,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 18:27:11,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:11,801 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:11,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash 502105719, now seen corresponding path program 1 times [2024-11-23 18:27:11,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:11,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185648733] [2024-11-23 18:27:11,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:11,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185648733] [2024-11-23 18:27:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185648733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836164745] [2024-11-23 18:27:11,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:11,898 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 18:27:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:11,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:27:11,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:11,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:12,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836164745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:12,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:12,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 18:27:12,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359969550] [2024-11-23 18:27:12,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:12,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:27:12,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:12,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:27:12,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:27:12,068 INFO L87 Difference]: Start difference. First operand 2270 states and 3291 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 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 18:27:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:12,312 INFO L93 Difference]: Finished difference Result 6565 states and 9600 transitions. [2024-11-23 18:27:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:27:12,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 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 18:27:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:12,339 INFO L225 Difference]: With dead ends: 6565 [2024-11-23 18:27:12,339 INFO L226 Difference]: Without dead ends: 6564 [2024-11-23 18:27:12,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:27:12,344 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 152 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:12,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 146 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:12,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6564 states. [2024-11-23 18:27:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 5370. [2024-11-23 18:27:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 5364 states have (on average 1.4500372856077555) internal successors, (7778), 5369 states have internal predecessors, (7778), 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 18:27:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 7778 transitions. [2024-11-23 18:27:12,630 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 7778 transitions. Word has length 25 [2024-11-23 18:27:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:12,631 INFO L471 AbstractCegarLoop]: Abstraction has 5370 states and 7778 transitions. [2024-11-23 18:27:12,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 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 18:27:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 7778 transitions. [2024-11-23 18:27:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-23 18:27:12,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:12,632 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-23 18:27:12,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 18:27:12,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 18:27:12,836 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:12,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash 605047534, now seen corresponding path program 1 times [2024-11-23 18:27:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:12,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604938173] [2024-11-23 18:27:12,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:12,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:12,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:12,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604938173] [2024-11-23 18:27:12,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604938173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:12,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900637458] [2024-11-23 18:27:12,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:12,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:12,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:12,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:12,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 18:27:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:12,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:27:12,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:13,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900637458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:13,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 18:27:13,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043960709] [2024-11-23 18:27:13,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:13,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:27:13,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:13,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:27:13,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:27:13,129 INFO L87 Difference]: Start difference. First operand 5370 states and 7778 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 18:27:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:13,692 INFO L93 Difference]: Finished difference Result 15529 states and 22704 transitions. [2024-11-23 18:27:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:27:13,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 31 [2024-11-23 18:27:13,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:13,748 INFO L225 Difference]: With dead ends: 15529 [2024-11-23 18:27:13,748 INFO L226 Difference]: Without dead ends: 15528 [2024-11-23 18:27:13,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:27:13,756 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 145 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:13,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 146 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:13,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15528 states. [2024-11-23 18:27:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15528 to 12718. [2024-11-23 18:27:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12718 states, 12712 states have (on average 1.4462712397734425) internal successors, (18385), 12717 states have internal predecessors, (18385), 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 18:27:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12718 states to 12718 states and 18385 transitions. [2024-11-23 18:27:14,527 INFO L78 Accepts]: Start accepts. Automaton has 12718 states and 18385 transitions. Word has length 31 [2024-11-23 18:27:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:14,527 INFO L471 AbstractCegarLoop]: Abstraction has 12718 states and 18385 transitions. [2024-11-23 18:27:14,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 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 18:27:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 12718 states and 18385 transitions. [2024-11-23 18:27:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-23 18:27:14,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:14,529 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-11-23 18:27:14,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 18:27:14,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:14,730 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:14,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:14,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1270893013, now seen corresponding path program 2 times [2024-11-23 18:27:14,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:14,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727547850] [2024-11-23 18:27:14,730 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:14,742 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:14,742 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727547850] [2024-11-23 18:27:14,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727547850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560305922] [2024-11-23 18:27:14,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:14,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:14,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:14,837 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:14,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 18:27:14,882 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:14,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:14,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:27:14,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:14,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:15,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560305922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:15,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:15,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-23 18:27:15,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932579067] [2024-11-23 18:27:15,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:15,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:27:15,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:15,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:27:15,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:27:15,090 INFO L87 Difference]: Start difference. First operand 12718 states and 18385 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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 18:27:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:16,246 INFO L93 Difference]: Finished difference Result 43375 states and 64064 transitions. [2024-11-23 18:27:16,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:27:16,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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 37 [2024-11-23 18:27:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:16,376 INFO L225 Difference]: With dead ends: 43375 [2024-11-23 18:27:16,376 INFO L226 Difference]: Without dead ends: 43373 [2024-11-23 18:27:16,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:27:16,396 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 320 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:16,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 226 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43373 states. [2024-11-23 18:27:17,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43373 to 27314. [2024-11-23 18:27:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27314 states, 27308 states have (on average 1.4249670426248717) internal successors, (38913), 27313 states have internal predecessors, (38913), 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 18:27:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27314 states to 27314 states and 38913 transitions. [2024-11-23 18:27:17,837 INFO L78 Accepts]: Start accepts. Automaton has 27314 states and 38913 transitions. Word has length 37 [2024-11-23 18:27:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:17,838 INFO L471 AbstractCegarLoop]: Abstraction has 27314 states and 38913 transitions. [2024-11-23 18:27:17,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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 18:27:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27314 states and 38913 transitions. [2024-11-23 18:27:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-23 18:27:17,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:17,841 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-11-23 18:27:17,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 18:27:18,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 18:27:18,045 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:18,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1356547596, now seen corresponding path program 2 times [2024-11-23 18:27:18,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:18,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564210530] [2024-11-23 18:27:18,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:18,058 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:18,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:18,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:18,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564210530] [2024-11-23 18:27:18,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564210530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:18,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292272965] [2024-11-23 18:27:18,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:18,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:18,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:18,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:18,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 18:27:18,200 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:18,200 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:18,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:27:18,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:18,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:18,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292272965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:18,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:18,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-23 18:27:18,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367910176] [2024-11-23 18:27:18,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:18,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:27:18,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:18,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:27:18,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:27:18,447 INFO L87 Difference]: Start difference. First operand 27314 states and 38913 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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 18:27:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:20,394 INFO L93 Difference]: Finished difference Result 93041 states and 135518 transitions. [2024-11-23 18:27:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:27:20,395 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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 47 [2024-11-23 18:27:20,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:20,706 INFO L225 Difference]: With dead ends: 93041 [2024-11-23 18:27:20,707 INFO L226 Difference]: Without dead ends: 93039 [2024-11-23 18:27:20,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:27:20,737 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 308 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:20,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 227 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:20,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93039 states. [2024-11-23 18:27:22,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93039 to 58638. [2024-11-23 18:27:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58638 states, 58632 states have (on average 1.404642516032201) internal successors, (82357), 58637 states have internal predecessors, (82357), 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 18:27:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58638 states to 58638 states and 82357 transitions. [2024-11-23 18:27:22,848 INFO L78 Accepts]: Start accepts. Automaton has 58638 states and 82357 transitions. Word has length 47 [2024-11-23 18:27:22,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:22,850 INFO L471 AbstractCegarLoop]: Abstraction has 58638 states and 82357 transitions. [2024-11-23 18:27:22,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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 18:27:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 58638 states and 82357 transitions. [2024-11-23 18:27:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-23 18:27:22,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:22,857 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-23 18:27:22,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 18:27:23,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 18:27:23,057 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:23,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:23,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1717685053, now seen corresponding path program 2 times [2024-11-23 18:27:23,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:23,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137692711] [2024-11-23 18:27:23,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:23,089 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:23,089 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:23,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:23,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137692711] [2024-11-23 18:27:23,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137692711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:23,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961745828] [2024-11-23 18:27:23,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:23,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:23,343 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:23,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 18:27:23,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:23,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:23,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:27:23,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:23,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961745828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:23,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:23,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-23 18:27:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122850746] [2024-11-23 18:27:23,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:23,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 18:27:23,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:23,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 18:27:23,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:27:23,758 INFO L87 Difference]: Start difference. First operand 58638 states and 82357 transitions. Second operand has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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 18:27:28,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:28,163 INFO L93 Difference]: Finished difference Result 206448 states and 292609 transitions. [2024-11-23 18:27:28,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 18:27:28,163 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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 57 [2024-11-23 18:27:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:28,554 INFO L225 Difference]: With dead ends: 206448 [2024-11-23 18:27:28,554 INFO L226 Difference]: Without dead ends: 206447 [2024-11-23 18:27:28,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:27:28,602 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 647 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:28,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 305 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206447 states. [2024-11-23 18:27:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206447 to 114948. [2024-11-23 18:27:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114948 states, 114942 states have (on average 1.3955473195176697) internal successors, (160407), 114947 states have internal predecessors, (160407), 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 18:27:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114948 states to 114948 states and 160407 transitions. [2024-11-23 18:27:34,033 INFO L78 Accepts]: Start accepts. Automaton has 114948 states and 160407 transitions. Word has length 57 [2024-11-23 18:27:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:34,034 INFO L471 AbstractCegarLoop]: Abstraction has 114948 states and 160407 transitions. [2024-11-23 18:27:34,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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 18:27:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 114948 states and 160407 transitions. [2024-11-23 18:27:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 18:27:34,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:34,042 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-23 18:27:34,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 18:27:34,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 18:27:34,242 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 18:27:34,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1795627242, now seen corresponding path program 2 times [2024-11-23 18:27:34,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:34,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056166479] [2024-11-23 18:27:34,243 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:34,259 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:34,259 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:34,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056166479] [2024-11-23 18:27:34,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056166479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:27:34,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650167792] [2024-11-23 18:27:34,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:27:34,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:27:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:34,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:27:34,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35f9709-6a75-414e-8e42-64dc9c4f3e97/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 18:27:34,476 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:27:34,476 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:27:34,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:27:34,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:27:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:34,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:27:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:27:34,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650167792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:27:34,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:27:34,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-23 18:27:34,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412945951] [2024-11-23 18:27:34,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:27:34,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 18:27:34,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:34,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 18:27:34,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:27:34,868 INFO L87 Difference]: Start difference. First operand 114948 states and 160407 transitions. Second operand has 16 states, 15 states have (on average 9.4) internal successors, (141), 16 states have internal predecessors, (141), 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 18:27:43,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:43,708 INFO L93 Difference]: Finished difference Result 404448 states and 569641 transitions. [2024-11-23 18:27:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 18:27:43,709 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.4) internal successors, (141), 16 states have internal predecessors, (141), 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 71 [2024-11-23 18:27:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:44,640 INFO L225 Difference]: With dead ends: 404448 [2024-11-23 18:27:44,640 INFO L226 Difference]: Without dead ends: 404447 [2024-11-23 18:27:44,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:27:44,713 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 379 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:44,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 305 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:27:45,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404447 states.