./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB --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 f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:53:23,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:53:23,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-27 19:53:23,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:53:23,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:53:23,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:53:23,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:53:23,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:53:23,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:53:23,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:53:23,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:53:23,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:53:23,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:53:23,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:53:23,634 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:53:23,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:53:23,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:53:23,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 19:53:23,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:53:23,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:53:23,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:53:23,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:53:23,637 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:53:23,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:23,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:23,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:23,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:23,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:53:23,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:23,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:23,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:23,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:23,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:53:23,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:53:23,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:53:23,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:53:23,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:53:23,640 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_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f [2024-11-27 19:53:23,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:53:23,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:53:23,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:53:23,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:53:23,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:53:23,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-27 19:53:27,642 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/data/938f46711/93ba9d9dca804096b79178e090179cc8/FLAG258230b5b [2024-11-27 19:53:27,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:53:27,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-27 19:53:27,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/data/938f46711/93ba9d9dca804096b79178e090179cc8/FLAG258230b5b [2024-11-27 19:53:27,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/data/938f46711/93ba9d9dca804096b79178e090179cc8 [2024-11-27 19:53:27,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:53:27,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:53:27,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:27,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:53:27,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:53:28,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:27" (1/1) ... [2024-11-27 19:53:28,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b867ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28, skipping insertion in model container [2024-11-27 19:53:28,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:27" (1/1) ... [2024-11-27 19:53:28,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:53:28,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:28,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:53:28,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:28,255 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:53:28,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28 WrapperNode [2024-11-27 19:53:28,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:28,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:28,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:53:28,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:53:28,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,298 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-27 19:53:28,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:28,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:53:28,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:53:28,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:53:28,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,317 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 19:53:28,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,320 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:53:28,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:53:28,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:53:28,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:53:28,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (1/1) ... [2024-11-27 19:53:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:28,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:28,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:53:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:53:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:53:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:53:28,525 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:53:28,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:53:28,689 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-27 19:53:28,690 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:53:28,704 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:53:28,704 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:53:28,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:28 BoogieIcfgContainer [2024-11-27 19:53:28,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:53:28,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:53:28,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:53:28,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:53:28,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:53:27" (1/3) ... [2024-11-27 19:53:28,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ad13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:28, skipping insertion in model container [2024-11-27 19:53:28,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:28" (2/3) ... [2024-11-27 19:53:28,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ad13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:28, skipping insertion in model container [2024-11-27 19:53:28,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:28" (3/3) ... [2024-11-27 19:53:28,723 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-27 19:53:28,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:53:28,751 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c that has 1 procedures, 22 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2024-11-27 19:53:28,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:53:28,837 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;@1f3eb2b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:53:28,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-27 19:53:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-11-27 19:53:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 19:53:28,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:28,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:28,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:28,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028935, now seen corresponding path program 1 times [2024-11-27 19:53:28,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:28,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785514287] [2024-11-27 19:53:28,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:28,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:29,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785514287] [2024-11-27 19:53:29,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785514287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:29,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:29,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:53:29,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054007116] [2024-11-27 19:53:29,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:29,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:53:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:29,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:53:29,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:53:29,134 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 21 states have internal predecessors, (25), 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 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:53:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:29,211 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-27 19:53:29,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:53:29,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-27 19:53:29,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:29,222 INFO L225 Difference]: With dead ends: 41 [2024-11-27 19:53:29,223 INFO L226 Difference]: Without dead ends: 29 [2024-11-27 19:53:29,227 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 [2024-11-27 19:53:29,232 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:29,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 33 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-27 19:53:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-11-27 19:53:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.55) internal successors, (31), 25 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) [2024-11-27 19:53:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-11-27 19:53:29,267 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 7 [2024-11-27 19:53:29,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:29,268 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-27 19:53:29,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:53:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-27 19:53:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-27 19:53:29,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:29,269 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:29,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:53:29,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:29,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:29,270 INFO L85 PathProgramCache]: Analyzing trace with hash 121322189, now seen corresponding path program 1 times [2024-11-27 19:53:29,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:29,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77190147] [2024-11-27 19:53:29,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:29,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77190147] [2024-11-27 19:53:29,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77190147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:29,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:29,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:53:29,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290217774] [2024-11-27 19:53:29,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:29,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:53:29,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:29,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:53:29,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:53:29,348 INFO L87 Difference]: Start difference. First operand 26 states and 31 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) [2024-11-27 19:53:29,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:29,398 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2024-11-27 19:53:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:53:29,399 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 [2024-11-27 19:53:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:29,400 INFO L225 Difference]: With dead ends: 45 [2024-11-27 19:53:29,400 INFO L226 Difference]: Without dead ends: 43 [2024-11-27 19:53:29,400 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 [2024-11-27 19:53:29,401 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:29,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:53:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-27 19:53:29,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-27 19:53:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 40 states have internal predecessors, (52), 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) [2024-11-27 19:53:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2024-11-27 19:53:29,412 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 8 [2024-11-27 19:53:29,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:29,412 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-11-27 19:53:29,413 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) [2024-11-27 19:53:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-27 19:53:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-27 19:53:29,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:29,413 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:29,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:53:29,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:29,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:29,414 INFO L85 PathProgramCache]: Analyzing trace with hash -533979376, now seen corresponding path program 1 times [2024-11-27 19:53:29,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:29,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170455946] [2024-11-27 19:53:29,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:29,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170455946] [2024-11-27 19:53:29,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170455946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:29,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:29,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:53:29,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064024090] [2024-11-27 19:53:29,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:29,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:53:29,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:29,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:53:29,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:53:29,474 INFO L87 Difference]: Start difference. First operand 41 states and 52 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) [2024-11-27 19:53:29,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:29,494 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-11-27 19:53:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:53:29,495 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 [2024-11-27 19:53:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:29,496 INFO L225 Difference]: With dead ends: 41 [2024-11-27 19:53:29,496 INFO L226 Difference]: Without dead ends: 40 [2024-11-27 19:53:29,496 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 [2024-11-27 19:53:29,498 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:29,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:53:29,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-27 19:53:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-27 19:53:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.4) internal successors, (49), 39 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) [2024-11-27 19:53:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2024-11-27 19:53:29,506 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 9 [2024-11-27 19:53:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:29,506 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-11-27 19:53:29,506 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) [2024-11-27 19:53:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2024-11-27 19:53:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 19:53:29,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:29,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:29,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:53:29,507 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:29,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:29,508 INFO L85 PathProgramCache]: Analyzing trace with hash 626508591, now seen corresponding path program 1 times [2024-11-27 19:53:29,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700060800] [2024-11-27 19:53:29,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700060800] [2024-11-27 19:53:29,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700060800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:29,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:53:29,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376949112] [2024-11-27 19:53:29,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:29,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:53:29,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:29,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:53:29,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:53:29,592 INFO L87 Difference]: Start difference. First operand 40 states and 49 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) [2024-11-27 19:53:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:29,617 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-27 19:53:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:53:29,618 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 [2024-11-27 19:53:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:29,619 INFO L225 Difference]: With dead ends: 46 [2024-11-27 19:53:29,619 INFO L226 Difference]: Without dead ends: 45 [2024-11-27 19:53:29,620 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 [2024-11-27 19:53:29,621 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:29,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:53:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-27 19:53:29,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-27 19:53:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.35) internal successors, (54), 44 states have internal predecessors, (54), 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) [2024-11-27 19:53:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-27 19:53:29,630 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 10 [2024-11-27 19:53:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:29,630 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-27 19:53:29,630 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) [2024-11-27 19:53:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-27 19:53:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-27 19:53:29,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:29,631 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:29,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:53:29,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:29,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2035355493, now seen corresponding path program 1 times [2024-11-27 19:53:29,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:29,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033663574] [2024-11-27 19:53:29,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033663574] [2024-11-27 19:53:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033663574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:29,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028180842] [2024-11-27 19:53:29,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:29,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:29,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:53:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:29,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:53:29,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:29,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028180842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:30,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 19:53:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313832863] [2024-11-27 19:53:30,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:30,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:53:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:30,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:53:30,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:30,069 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-27 19:53:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:30,170 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2024-11-27 19:53:30,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:53:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 14 [2024-11-27 19:53:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:30,173 INFO L225 Difference]: With dead ends: 90 [2024-11-27 19:53:30,173 INFO L226 Difference]: Without dead ends: 88 [2024-11-27 19:53:30,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:30,175 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:30,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 34 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-27 19:53:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 57. [2024-11-27 19:53:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 56 states have internal predecessors, (69), 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) [2024-11-27 19:53:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2024-11-27 19:53:30,187 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 14 [2024-11-27 19:53:30,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:30,187 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2024-11-27 19:53:30,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-27 19:53:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2024-11-27 19:53:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 19:53:30,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:30,188 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:30,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 19:53:30,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:30,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:30,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1399532289, now seen corresponding path program 1 times [2024-11-27 19:53:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:30,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68352449] [2024-11-27 19:53:30,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:30,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:30,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68352449] [2024-11-27 19:53:30,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68352449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:30,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953329959] [2024-11-27 19:53:30,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:30,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:30,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:53:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:30,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:53:30,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:30,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:30,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953329959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:30,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:30,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 19:53:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856449592] [2024-11-27 19:53:30,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:30,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:53:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:30,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:53:30,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:30,616 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-27 19:53:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:30,695 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2024-11-27 19:53:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:53:30,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 15 [2024-11-27 19:53:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:30,700 INFO L225 Difference]: With dead ends: 140 [2024-11-27 19:53:30,700 INFO L226 Difference]: Without dead ends: 138 [2024-11-27 19:53:30,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:30,701 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:30,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 46 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-27 19:53:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2024-11-27 19:53:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 112 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) [2024-11-27 19:53:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 141 transitions. [2024-11-27 19:53:30,723 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 141 transitions. Word has length 15 [2024-11-27 19:53:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:30,723 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 141 transitions. [2024-11-27 19:53:30,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-27 19:53:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2024-11-27 19:53:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-27 19:53:30,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:30,724 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 19:53:30,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:53:30,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:30,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:30,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash -625764127, now seen corresponding path program 1 times [2024-11-27 19:53:30,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:30,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406465759] [2024-11-27 19:53:30,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:31,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406465759] [2024-11-27 19:53:31,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406465759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:31,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23509567] [2024-11-27 19:53:31,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:31,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:31,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:31,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:31,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 19:53:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:31,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:53:31,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23509567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:31,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:31,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 19:53:31,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086669965] [2024-11-27 19:53:31,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:31,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:53:31,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:31,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:53:31,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:31,179 INFO L87 Difference]: Start difference. First operand 113 states and 141 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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) [2024-11-27 19:53:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:31,243 INFO L93 Difference]: Finished difference Result 239 states and 299 transitions. [2024-11-27 19:53:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:53:31,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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) Word has length 17 [2024-11-27 19:53:31,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:31,247 INFO L225 Difference]: With dead ends: 239 [2024-11-27 19:53:31,247 INFO L226 Difference]: Without dead ends: 238 [2024-11-27 19:53:31,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:53:31,253 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 49 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 [2024-11-27 19:53:31,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 49 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:53:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-27 19:53:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-27 19:53:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 232 states have (on average 1.2025862068965518) internal successors, (279), 235 states have internal predecessors, (279), 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) [2024-11-27 19:53:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 279 transitions. [2024-11-27 19:53:31,285 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 279 transitions. Word has length 17 [2024-11-27 19:53:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:31,285 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 279 transitions. [2024-11-27 19:53:31,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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) [2024-11-27 19:53:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 279 transitions. [2024-11-27 19:53:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-27 19:53:31,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:31,287 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 19:53:31,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 19:53:31,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 19:53:31,491 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:31,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:31,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1985542009, now seen corresponding path program 1 times [2024-11-27 19:53:31,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:31,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086815672] [2024-11-27 19:53:31,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:31,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:31,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086815672] [2024-11-27 19:53:31,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086815672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:31,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226041600] [2024-11-27 19:53:31,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:31,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:31,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:31,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:31,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 19:53:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:31,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:53:31,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:31,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226041600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:31,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:31,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 19:53:31,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831282205] [2024-11-27 19:53:31,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:31,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:53:31,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:31,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:53:31,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:53:31,786 INFO L87 Difference]: Start difference. First operand 236 states and 279 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-11-27 19:53:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:31,915 INFO L93 Difference]: Finished difference Result 461 states and 575 transitions. [2024-11-27 19:53:31,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:53:31,915 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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 [2024-11-27 19:53:31,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:31,917 INFO L225 Difference]: With dead ends: 461 [2024-11-27 19:53:31,917 INFO L226 Difference]: Without dead ends: 460 [2024-11-27 19:53:31,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:53:31,919 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:31,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:31,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-27 19:53:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 387. [2024-11-27 19:53:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 383 states have (on average 1.2323759791122715) internal successors, (472), 386 states have internal predecessors, (472), 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) [2024-11-27 19:53:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 472 transitions. [2024-11-27 19:53:31,956 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 472 transitions. Word has length 21 [2024-11-27 19:53:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:31,956 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 472 transitions. [2024-11-27 19:53:31,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-11-27 19:53:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 472 transitions. [2024-11-27 19:53:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-27 19:53:31,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:31,958 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-27 19:53:31,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 19:53:32,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 19:53:32,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:32,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:32,164 INFO L85 PathProgramCache]: Analyzing trace with hash 891073101, now seen corresponding path program 2 times [2024-11-27 19:53:32,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:32,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742466494] [2024-11-27 19:53:32,164 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:32,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:32,179 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:32,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:32,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:32,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742466494] [2024-11-27 19:53:32,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742466494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:32,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481812309] [2024-11-27 19:53:32,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:32,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:32,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:32,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 19:53:32,347 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:32,347 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:32,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:53:32,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:32,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:32,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481812309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:32,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:32,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-27 19:53:32,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301938769] [2024-11-27 19:53:32,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:32,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 19:53:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:32,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 19:53:32,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:53:32,536 INFO L87 Difference]: Start difference. First operand 387 states and 472 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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) [2024-11-27 19:53:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:32,671 INFO L93 Difference]: Finished difference Result 1002 states and 1319 transitions. [2024-11-27 19:53:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 19:53:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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 36 [2024-11-27 19:53:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:32,675 INFO L225 Difference]: With dead ends: 1002 [2024-11-27 19:53:32,675 INFO L226 Difference]: Without dead ends: 1000 [2024-11-27 19:53:32,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:53:32,677 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 51 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:32,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 93 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-27 19:53:32,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 660. [2024-11-27 19:53:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 656 states have (on average 1.2469512195121952) internal successors, (818), 659 states have internal predecessors, (818), 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) [2024-11-27 19:53:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 818 transitions. [2024-11-27 19:53:32,740 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 818 transitions. Word has length 36 [2024-11-27 19:53:32,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:32,742 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 818 transitions. [2024-11-27 19:53:32,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 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) [2024-11-27 19:53:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 818 transitions. [2024-11-27 19:53:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 19:53:32,747 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:32,747 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-27 19:53:32,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 19:53:32,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 19:53:32,951 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:32,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:32,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1622760111, now seen corresponding path program 2 times [2024-11-27 19:53:32,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:32,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815262476] [2024-11-27 19:53:32,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:32,963 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:32,963 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:33,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:33,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815262476] [2024-11-27 19:53:33,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815262476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:33,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714331795] [2024-11-27 19:53:33,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:33,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:33,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:33,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 19:53:33,092 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:33,092 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:33,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:53:33,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:33,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:33,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714331795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:33,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:33,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-27 19:53:33,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080035986] [2024-11-27 19:53:33,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:33,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 19:53:33,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:33,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 19:53:33,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:53:33,321 INFO L87 Difference]: Start difference. First operand 660 states and 818 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 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) [2024-11-27 19:53:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:33,491 INFO L93 Difference]: Finished difference Result 1914 states and 2404 transitions. [2024-11-27 19:53:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 19:53:33,491 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 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 38 [2024-11-27 19:53:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:33,498 INFO L225 Difference]: With dead ends: 1914 [2024-11-27 19:53:33,498 INFO L226 Difference]: Without dead ends: 1913 [2024-11-27 19:53:33,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:53:33,500 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 57 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:33,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 100 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-11-27 19:53:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1909. [2024-11-27 19:53:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1905 states have (on average 1.1664041994750656) internal successors, (2222), 1908 states have internal predecessors, (2222), 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) [2024-11-27 19:53:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2222 transitions. [2024-11-27 19:53:33,612 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2222 transitions. Word has length 38 [2024-11-27 19:53:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:33,612 INFO L471 AbstractCegarLoop]: Abstraction has 1909 states and 2222 transitions. [2024-11-27 19:53:33,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 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) [2024-11-27 19:53:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2222 transitions. [2024-11-27 19:53:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 19:53:33,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:33,615 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2024-11-27 19:53:33,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 19:53:33,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 19:53:33,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:33,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:33,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1067981703, now seen corresponding path program 2 times [2024-11-27 19:53:33,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:33,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382982459] [2024-11-27 19:53:33,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:33,834 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:33,835 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:33,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:33,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382982459] [2024-11-27 19:53:33,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382982459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:33,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49698114] [2024-11-27 19:53:33,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:53:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:33,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:33,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 19:53:34,062 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 19:53:34,062 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:34,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 19:53:34,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:34,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:34,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49698114] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:34,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:34,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-27 19:53:34,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078385624] [2024-11-27 19:53:34,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:34,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 19:53:34,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:34,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 19:53:34,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-27 19:53:34,472 INFO L87 Difference]: Start difference. First operand 1909 states and 2222 transitions. Second operand has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 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) [2024-11-27 19:53:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:34,823 INFO L93 Difference]: Finished difference Result 3948 states and 4766 transitions. [2024-11-27 19:53:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 19:53:34,824 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-27 19:53:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:34,841 INFO L225 Difference]: With dead ends: 3948 [2024-11-27 19:53:34,842 INFO L226 Difference]: Without dead ends: 3947 [2024-11-27 19:53:34,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-27 19:53:34,846 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 84 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:34,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 113 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2024-11-27 19:53:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 2411. [2024-11-27 19:53:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2407 states have (on average 1.1832156211051101) internal successors, (2848), 2410 states have internal predecessors, (2848), 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) [2024-11-27 19:53:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2848 transitions. [2024-11-27 19:53:35,063 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2848 transitions. Word has length 49 [2024-11-27 19:53:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:35,063 INFO L471 AbstractCegarLoop]: Abstraction has 2411 states and 2848 transitions. [2024-11-27 19:53:35,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 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) [2024-11-27 19:53:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2848 transitions. [2024-11-27 19:53:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 19:53:35,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:35,070 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-27 19:53:35,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 19:53:35,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:35,274 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:35,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -870109811, now seen corresponding path program 3 times [2024-11-27 19:53:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103616258] [2024-11-27 19:53:35,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:35,339 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 19:53:35,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:35,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:35,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103616258] [2024-11-27 19:53:35,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103616258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:35,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674103666] [2024-11-27 19:53:35,746 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:35,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:35,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:35,748 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:35,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 19:53:35,837 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 19:53:35,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:35,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 19:53:35,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:36,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:36,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674103666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:36,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:36,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-27 19:53:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310259418] [2024-11-27 19:53:36,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:36,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 19:53:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:36,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 19:53:36,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-27 19:53:36,543 INFO L87 Difference]: Start difference. First operand 2411 states and 2848 transitions. Second operand has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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) [2024-11-27 19:53:37,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:37,073 INFO L93 Difference]: Finished difference Result 6418 states and 8183 transitions. [2024-11-27 19:53:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 19:53:37,074 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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 78 [2024-11-27 19:53:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:37,100 INFO L225 Difference]: With dead ends: 6418 [2024-11-27 19:53:37,100 INFO L226 Difference]: Without dead ends: 6416 [2024-11-27 19:53:37,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-27 19:53:37,104 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 161 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:37,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 193 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:53:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6416 states. [2024-11-27 19:53:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6416 to 3576. [2024-11-27 19:53:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3576 states, 3572 states have (on average 1.2026875699888018) internal successors, (4296), 3575 states have internal predecessors, (4296), 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) [2024-11-27 19:53:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3576 states and 4296 transitions. [2024-11-27 19:53:37,373 INFO L78 Accepts]: Start accepts. Automaton has 3576 states and 4296 transitions. Word has length 78 [2024-11-27 19:53:37,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:37,374 INFO L471 AbstractCegarLoop]: Abstraction has 3576 states and 4296 transitions. [2024-11-27 19:53:37,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.695652173913044) internal successors, (154), 24 states have internal predecessors, (154), 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) [2024-11-27 19:53:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 4296 transitions. [2024-11-27 19:53:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-27 19:53:37,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:37,380 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2024-11-27 19:53:37,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 19:53:37,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:37,584 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:37,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:37,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1343096303, now seen corresponding path program 3 times [2024-11-27 19:53:37,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:37,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208967534] [2024-11-27 19:53:37,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:37,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 19:53:37,619 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:37,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208967534] [2024-11-27 19:53:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208967534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336844719] [2024-11-27 19:53:37,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:37,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:37,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:37,961 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:37,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 19:53:38,032 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 19:53:38,033 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:38,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 19:53:38,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:38,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:38,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336844719] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:38,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:38,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-27 19:53:38,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13451169] [2024-11-27 19:53:38,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:38,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 19:53:38,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:38,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 19:53:38,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-27 19:53:38,731 INFO L87 Difference]: Start difference. First operand 3576 states and 4296 transitions. Second operand has 24 states, 23 states have (on average 6.869565217391305) internal successors, (158), 24 states have internal predecessors, (158), 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) [2024-11-27 19:53:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:39,591 INFO L93 Difference]: Finished difference Result 14063 states and 17394 transitions. [2024-11-27 19:53:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 19:53:39,592 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.869565217391305) internal successors, (158), 24 states have internal predecessors, (158), 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 80 [2024-11-27 19:53:39,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:39,654 INFO L225 Difference]: With dead ends: 14063 [2024-11-27 19:53:39,654 INFO L226 Difference]: Without dead ends: 14062 [2024-11-27 19:53:39,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-27 19:53:39,663 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 178 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:39,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 193 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:53:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14062 states. [2024-11-27 19:53:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14062 to 14054. [2024-11-27 19:53:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14054 states, 14050 states have (on average 1.1412099644128113) internal successors, (16034), 14053 states have internal predecessors, (16034), 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) [2024-11-27 19:53:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14054 states to 14054 states and 16034 transitions. [2024-11-27 19:53:40,772 INFO L78 Accepts]: Start accepts. Automaton has 14054 states and 16034 transitions. Word has length 80 [2024-11-27 19:53:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:40,773 INFO L471 AbstractCegarLoop]: Abstraction has 14054 states and 16034 transitions. [2024-11-27 19:53:40,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.869565217391305) internal successors, (158), 24 states have internal predecessors, (158), 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) [2024-11-27 19:53:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 14054 states and 16034 transitions. [2024-11-27 19:53:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 19:53:40,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:40,785 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1] [2024-11-27 19:53:40,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 19:53:40,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 19:53:40,986 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:40,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2083864185, now seen corresponding path program 3 times [2024-11-27 19:53:40,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889765012] [2024-11-27 19:53:40,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:41,019 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 19:53:41,019 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:41,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:41,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889765012] [2024-11-27 19:53:41,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889765012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:41,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081675694] [2024-11-27 19:53:41,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:53:41,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:41,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:41,556 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 19:53:41,632 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 19:53:41,632 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:41,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 19:53:41,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:41,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:42,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081675694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:42,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:42,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-27 19:53:42,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892053434] [2024-11-27 19:53:42,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:42,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-27 19:53:42,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:42,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 19:53:42,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-27 19:53:42,653 INFO L87 Difference]: Start difference. First operand 14054 states and 16034 transitions. Second operand has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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) [2024-11-27 19:53:44,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:44,222 INFO L93 Difference]: Finished difference Result 33012 states and 38755 transitions. [2024-11-27 19:53:44,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 19:53:44,223 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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 105 [2024-11-27 19:53:44,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:44,306 INFO L225 Difference]: With dead ends: 33012 [2024-11-27 19:53:44,306 INFO L226 Difference]: Without dead ends: 33011 [2024-11-27 19:53:44,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-27 19:53:44,326 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 210 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:44,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 225 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:53:44,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33011 states. [2024-11-27 19:53:45,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33011 to 16148. [2024-11-27 19:53:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16148 states, 16144 states have (on average 1.1512636273538157) internal successors, (18586), 16147 states have internal predecessors, (18586), 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) [2024-11-27 19:53:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16148 states to 16148 states and 18586 transitions. [2024-11-27 19:53:45,713 INFO L78 Accepts]: Start accepts. Automaton has 16148 states and 18586 transitions. Word has length 105 [2024-11-27 19:53:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:45,714 INFO L471 AbstractCegarLoop]: Abstraction has 16148 states and 18586 transitions. [2024-11-27 19:53:45,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.709677419354839) internal successors, (208), 32 states have internal predecessors, (208), 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) [2024-11-27 19:53:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 16148 states and 18586 transitions. [2024-11-27 19:53:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-27 19:53:45,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:45,748 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-27 19:53:45,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 19:53:45,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:45,953 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:45,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash 939127821, now seen corresponding path program 4 times [2024-11-27 19:53:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:45,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617060917] [2024-11-27 19:53:45,954 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:53:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:45,989 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:53:45,989 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:47,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:47,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617060917] [2024-11-27 19:53:47,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617060917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:47,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291302984] [2024-11-27 19:53:47,085 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:53:47,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:47,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:47,089 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:47,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 19:53:47,174 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:53:47,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:47,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 19:53:47,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:47,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:48,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291302984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:48,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:48,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-27 19:53:48,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357944556] [2024-11-27 19:53:48,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:48,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 19:53:48,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:48,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 19:53:48,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 19:53:48,872 INFO L87 Difference]: Start difference. First operand 16148 states and 18586 transitions. Second operand has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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) [2024-11-27 19:53:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:51,138 INFO L93 Difference]: Finished difference Result 45685 states and 56295 transitions. [2024-11-27 19:53:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 19:53:51,139 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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 162 [2024-11-27 19:53:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:51,234 INFO L225 Difference]: With dead ends: 45685 [2024-11-27 19:53:51,234 INFO L226 Difference]: Without dead ends: 45683 [2024-11-27 19:53:51,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 19:53:51,245 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 449 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:51,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 375 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 19:53:51,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45683 states. [2024-11-27 19:53:52,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45683 to 21167. [2024-11-27 19:53:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21167 states, 21163 states have (on average 1.1688323961631149) internal successors, (24736), 21166 states have internal predecessors, (24736), 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) [2024-11-27 19:53:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21167 states to 21167 states and 24736 transitions. [2024-11-27 19:53:52,693 INFO L78 Accepts]: Start accepts. Automaton has 21167 states and 24736 transitions. Word has length 162 [2024-11-27 19:53:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:52,694 INFO L471 AbstractCegarLoop]: Abstraction has 21167 states and 24736 transitions. [2024-11-27 19:53:52,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.851063829787234) internal successors, (322), 48 states have internal predecessors, (322), 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) [2024-11-27 19:53:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 21167 states and 24736 transitions. [2024-11-27 19:53:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 19:53:52,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:52,726 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1] [2024-11-27 19:53:52,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 19:53:52,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:52,932 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:53:52,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash 558705775, now seen corresponding path program 4 times [2024-11-27 19:53:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:52,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083762838] [2024-11-27 19:53:52,933 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:53:52,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:52,975 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:53:52,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:53,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:53,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083762838] [2024-11-27 19:53:53,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083762838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:53,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883718185] [2024-11-27 19:53:53,812 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:53:53,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:53:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:53,815 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:53:53,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 19:53:53,911 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:53:53,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:53:53,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 19:53:53,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:54,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:55,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883718185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:53:55,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:53:55,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-27 19:53:55,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078315459] [2024-11-27 19:53:55,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:55,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 19:53:55,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:55,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 19:53:55,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 19:53:55,343 INFO L87 Difference]: Start difference. First operand 21167 states and 24736 transitions. Second operand has 48 states, 47 states have (on average 6.9361702127659575) internal successors, (326), 48 states have internal predecessors, (326), 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) [2024-11-27 19:53:59,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:59,789 INFO L93 Difference]: Finished difference Result 107633 states and 131695 transitions. [2024-11-27 19:53:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 19:53:59,790 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.9361702127659575) internal successors, (326), 48 states have internal predecessors, (326), 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 164 [2024-11-27 19:53:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:59,941 INFO L225 Difference]: With dead ends: 107633 [2024-11-27 19:53:59,942 INFO L226 Difference]: Without dead ends: 107632 [2024-11-27 19:53:59,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 19:53:59,969 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 366 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:59,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 386 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:54:00,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107632 states. [2024-11-27 19:54:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107632 to 107616. [2024-11-27 19:54:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107616 states, 107612 states have (on average 1.1267516633832657) internal successors, (121252), 107615 states have internal predecessors, (121252), 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) [2024-11-27 19:54:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107616 states to 107616 states and 121252 transitions. [2024-11-27 19:54:06,053 INFO L78 Accepts]: Start accepts. Automaton has 107616 states and 121252 transitions. Word has length 164 [2024-11-27 19:54:06,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:06,054 INFO L471 AbstractCegarLoop]: Abstraction has 107616 states and 121252 transitions. [2024-11-27 19:54:06,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.9361702127659575) internal successors, (326), 48 states have internal predecessors, (326), 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) [2024-11-27 19:54:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 107616 states and 121252 transitions. [2024-11-27 19:54:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-27 19:54:06,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:06,125 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1] [2024-11-27 19:54:06,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 19:54:06,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 19:54:06,326 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 19:54:06,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:06,326 INFO L85 PathProgramCache]: Analyzing trace with hash 563219847, now seen corresponding path program 4 times [2024-11-27 19:54:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:06,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593955945] [2024-11-27 19:54:06,326 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:54:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:06,372 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:54:06,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:54:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:54:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593955945] [2024-11-27 19:54:08,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593955945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:54:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423829304] [2024-11-27 19:54:08,270 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:54:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:54:08,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:54:08,274 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:54:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8b777d-34aa-40fe-9e7d-59eadbc33e2b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 19:54:08,386 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:54:08,387 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:54:08,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 19:54:08,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:54:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:54:08,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:54:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 3165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:54:11,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423829304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:54:11,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:54:11,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-27 19:54:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314952177] [2024-11-27 19:54:11,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:54:11,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-27 19:54:11,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:11,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-27 19:54:11,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-27 19:54:11,133 INFO L87 Difference]: Start difference. First operand 107616 states and 121252 transitions. Second operand has 64 states, 63 states have (on average 6.857142857142857) internal successors, (432), 64 states have internal predecessors, (432), 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) [2024-11-27 19:54:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:22,344 INFO L93 Difference]: Finished difference Result 329451 states and 378500 transitions. [2024-11-27 19:54:22,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-27 19:54:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 6.857142857142857) internal successors, (432), 64 states have internal predecessors, (432), 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 217 [2024-11-27 19:54:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:22,798 INFO L225 Difference]: With dead ends: 329451 [2024-11-27 19:54:22,799 INFO L226 Difference]: Without dead ends: 329450 [2024-11-27 19:54:22,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-27 19:54:22,856 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 774 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:22,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 448 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 19:54:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329450 states.