./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd --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 32bit --witnessprinter.graph.data.programhash 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:36:31,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:36:31,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:36:31,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:36:31,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:36:31,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:36:31,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:36:31,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:36:31,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:36:31,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:36:31,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:36:31,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:36:31,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:36:31,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:36:31,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:36:31,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:36:31,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:36:31,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:36:31,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:36:31,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:36:31,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:36:31,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:36:31,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:36:31,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:36:31,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:36:31,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:36:31,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:36:31,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:36:31,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:36:31,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:36:31,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:36:31,633 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_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 [2024-11-13 13:36:32,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:36:32,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:36:32,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:36:32,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:36:32,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:36:32,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound20.c Unable to find full path for "g++" [2024-11-13 13:36:34,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:36:34,856 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:36:34,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound20.c [2024-11-13 13:36:34,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/data/30aa1db1a/4de15d00f24f4a7f940fac73469f8123/FLAGdcd83072b [2024-11-13 13:36:34,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/data/30aa1db1a/4de15d00f24f4a7f940fac73469f8123 [2024-11-13 13:36:34,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:36:34,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:36:34,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:36:34,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:36:34,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:36:34,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:34" (1/1) ... [2024-11-13 13:36:34,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e80071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:34, skipping insertion in model container [2024-11-13 13:36:34,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:36:34" (1/1) ... [2024-11-13 13:36:34,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:36:35,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:36:35,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:36:35,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:36:35,281 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:36:35,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35 WrapperNode [2024-11-13 13:36:35,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:36:35,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:36:35,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:36:35,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:36:35,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,330 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-13 13:36:35,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:36:35,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:36:35,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:36:35,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:36:35,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,372 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:36:35,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:36:35,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:36:35,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:36:35,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:36:35,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (1/1) ... [2024-11-13 13:36:35,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:36:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:35,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:36:35,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:36:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:36:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:36:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:36:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:36:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 13:36:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 13:36:35,595 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:36:35,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:36:36,271 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-13 13:36:36,271 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:36:36,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:36:36,290 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:36:36,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:36 BoogieIcfgContainer [2024-11-13 13:36:36,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:36:36,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:36:36,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:36:36,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:36:36,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:36:34" (1/3) ... [2024-11-13 13:36:36,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7095317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:36, skipping insertion in model container [2024-11-13 13:36:36,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:36:35" (2/3) ... [2024-11-13 13:36:36,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7095317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:36:36, skipping insertion in model container [2024-11-13 13:36:36,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:36" (3/3) ... [2024-11-13 13:36:36,305 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll2_unwindbound20.c [2024-11-13 13:36:36,326 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:36:36,328 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG geo2-ll2_unwindbound20.c that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 30 error locations. [2024-11-13 13:36:36,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:36:36,422 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;@792941c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:36:36,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-13 13:36:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 43 states have (on average 1.7906976744186047) internal successors, (77), 73 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:36,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 13:36:36,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:36,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 13:36:36,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:36,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-13 13:36:36,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:36,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248689633] [2024-11-13 13:36:36,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:36,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:36,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:36,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248689633] [2024-11-13 13:36:36,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248689633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:36,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:36,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:36,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480362017] [2024-11-13 13:36:36,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:36,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:36:36,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:36:36,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:36:36,744 INFO L87 Difference]: Start difference. First operand has 77 states, 43 states have (on average 1.7906976744186047) internal successors, (77), 73 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:36,850 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2024-11-13 13:36:36,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:36:36,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 13:36:36,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:36,864 INFO L225 Difference]: With dead ends: 150 [2024-11-13 13:36:36,865 INFO L226 Difference]: Without dead ends: 69 [2024-11-13 13:36:36,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:36:36,878 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 76 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:36,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 140 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:36:36,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-13 13:36:36,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-13 13:36:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 38 states have (on average 1.7894736842105263) internal successors, (68), 66 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-11-13 13:36:36,956 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 4 [2024-11-13 13:36:36,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:36,957 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-11-13 13:36:36,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-11-13 13:36:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 13:36:36,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:36,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 13:36:36,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:36:36,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:36,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:36,965 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-13 13:36:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121137241] [2024-11-13 13:36:36,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:37,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:37,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121137241] [2024-11-13 13:36:37,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121137241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:37,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:37,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:37,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393765292] [2024-11-13 13:36:37,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:37,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:36:37,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:37,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:36:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:36:37,088 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:37,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:37,179 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2024-11-13 13:36:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:36:37,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 13:36:37,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:37,181 INFO L225 Difference]: With dead ends: 94 [2024-11-13 13:36:37,181 INFO L226 Difference]: Without dead ends: 73 [2024-11-13 13:36:37,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:36:37,183 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 3 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:37,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:36:37,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-13 13:36:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-13 13:36:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.7142857142857142) internal successors, (72), 70 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2024-11-13 13:36:37,199 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 5 [2024-11-13 13:36:37,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:37,199 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2024-11-13 13:36:37,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2024-11-13 13:36:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:36:37,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:37,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:37,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:36:37,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:37,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:37,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858182, now seen corresponding path program 1 times [2024-11-13 13:36:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987250431] [2024-11-13 13:36:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:37,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375536024] [2024-11-13 13:36:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:37,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:37,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:36:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:37,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:36:37,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:37,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:37,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:37,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987250431] [2024-11-13 13:36:37,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:37,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375536024] [2024-11-13 13:36:37,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375536024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:37,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:37,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:37,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218003207] [2024-11-13 13:36:37,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:37,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:37,460 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. 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) [2024-11-13 13:36:38,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:38,103 INFO L93 Difference]: Finished difference Result 111 states and 129 transitions. [2024-11-13 13:36:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:38,105 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 [2024-11-13 13:36:38,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:38,107 INFO L225 Difference]: With dead ends: 111 [2024-11-13 13:36:38,110 INFO L226 Difference]: Without dead ends: 103 [2024-11-13 13:36:38,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:38,112 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:38,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 49 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:36:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-13 13:36:38,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-11-13 13:36:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.6825396825396826) internal successors, (106), 91 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2024-11-13 13:36:38,126 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 7 [2024-11-13 13:36:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:38,126 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2024-11-13 13:36:38,127 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) [2024-11-13 13:36:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2024-11-13 13:36:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:36:38,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:38,128 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:38,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:36:38,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:38,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:38,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:38,330 INFO L85 PathProgramCache]: Analyzing trace with hash 147028843, now seen corresponding path program 1 times [2024-11-13 13:36:38,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:38,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042586746] [2024-11-13 13:36:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:38,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:38,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647171855] [2024-11-13 13:36:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:38,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:38,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:38,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:38,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:36:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:38,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:36:38,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:38,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:38,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:38,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042586746] [2024-11-13 13:36:38,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:38,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647171855] [2024-11-13 13:36:38,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647171855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:38,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:38,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:38,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409320941] [2024-11-13 13:36:38,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:38,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:38,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:38,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:38,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:38,512 INFO L87 Difference]: Start difference. First operand 95 states and 110 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) [2024-11-13 13:36:38,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:38,825 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2024-11-13 13:36:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:38,826 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 [2024-11-13 13:36:38,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:38,827 INFO L225 Difference]: With dead ends: 111 [2024-11-13 13:36:38,827 INFO L226 Difference]: Without dead ends: 103 [2024-11-13 13:36:38,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:38,828 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 27 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:38,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:36:38,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-13 13:36:38,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2024-11-13 13:36:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 93 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2024-11-13 13:36:38,852 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 8 [2024-11-13 13:36:38,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:38,853 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2024-11-13 13:36:38,853 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) [2024-11-13 13:36:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2024-11-13 13:36:38,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 13:36:38,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:38,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:38,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:36:39,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:39,055 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:39,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:39,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1766880404, now seen corresponding path program 1 times [2024-11-13 13:36:39,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:39,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824121337] [2024-11-13 13:36:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:39,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156391617] [2024-11-13 13:36:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:39,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:39,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:39,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:39,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:36:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:39,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:36:39,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:39,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:39,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824121337] [2024-11-13 13:36:39,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156391617] [2024-11-13 13:36:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156391617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:39,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:39,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902703224] [2024-11-13 13:36:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:39,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:39,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:39,295 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-13 13:36:39,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:39,667 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2024-11-13 13:36:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-13 13:36:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:39,669 INFO L225 Difference]: With dead ends: 108 [2024-11-13 13:36:39,669 INFO L226 Difference]: Without dead ends: 105 [2024-11-13 13:36:39,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:39,670 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:39,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 56 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:36:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-13 13:36:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2024-11-13 13:36:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.537313432835821) internal successors, (103), 95 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2024-11-13 13:36:39,696 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 13 [2024-11-13 13:36:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:39,696 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2024-11-13 13:36:39,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-13 13:36:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2024-11-13 13:36:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 13:36:39,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:39,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:39,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:36:39,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:39,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:39,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:39,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1061282385, now seen corresponding path program 1 times [2024-11-13 13:36:39,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:39,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557787877] [2024-11-13 13:36:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:39,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782101618] [2024-11-13 13:36:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:39,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:39,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:39,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:39,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:36:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:39,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:36:39,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:40,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:40,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:40,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557787877] [2024-11-13 13:36:40,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782101618] [2024-11-13 13:36:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782101618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:40,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:40,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:40,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268837669] [2024-11-13 13:36:40,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:40,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:40,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:40,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:40,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:40,100 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:40,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:40,453 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2024-11-13 13:36:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:40,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 13:36:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:40,455 INFO L225 Difference]: With dead ends: 108 [2024-11-13 13:36:40,455 INFO L226 Difference]: Without dead ends: 105 [2024-11-13 13:36:40,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:40,456 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 23 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:40,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 59 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:36:40,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-13 13:36:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2024-11-13 13:36:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 97 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2024-11-13 13:36:40,469 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 14 [2024-11-13 13:36:40,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:40,469 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2024-11-13 13:36:40,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:36:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2024-11-13 13:36:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:36:40,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:40,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:40,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:36:40,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 13:36:40,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:40,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1459984370, now seen corresponding path program 1 times [2024-11-13 13:36:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:40,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531213197] [2024-11-13 13:36:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:40,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:40,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392507260] [2024-11-13 13:36:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:40,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:40,697 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:36:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:40,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:36:40,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:40,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531213197] [2024-11-13 13:36:40,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392507260] [2024-11-13 13:36:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392507260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:40,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241256123] [2024-11-13 13:36:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:40,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:40,908 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-13 13:36:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:41,384 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2024-11-13 13:36:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 [2024-11-13 13:36:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:41,386 INFO L225 Difference]: With dead ends: 109 [2024-11-13 13:36:41,386 INFO L226 Difference]: Without dead ends: 95 [2024-11-13 13:36:41,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:41,387 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 20 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:41,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 65 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:36:41,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-13 13:36:41,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-13 13:36:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.5245901639344261) internal successors, (93), 89 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2024-11-13 13:36:41,396 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 15 [2024-11-13 13:36:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:41,396 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2024-11-13 13:36:41,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-13 13:36:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2024-11-13 13:36:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 13:36:41,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:41,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:41,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 13:36:41,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 13:36:41,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:41,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1742091910, now seen corresponding path program 1 times [2024-11-13 13:36:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156232917] [2024-11-13 13:36:41,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:41,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:36:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:41,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:41,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156232917] [2024-11-13 13:36:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156232917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:41,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:36:41,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807838674] [2024-11-13 13:36:41,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:41,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:36:41,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:41,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:36:41,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:41,733 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:41,756 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2024-11-13 13:36:41,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:36:41,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-13 13:36:41,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:41,758 INFO L225 Difference]: With dead ends: 95 [2024-11-13 13:36:41,758 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 13:36:41,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:36:41,759 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:41,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 130 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:36:41,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 13:36:41,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 13:36:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 89 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-11-13 13:36:41,767 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 23 [2024-11-13 13:36:41,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:41,769 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-11-13 13:36:41,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-11-13 13:36:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 13:36:41,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:41,770 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:41,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:36:41,770 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1176959567, now seen corresponding path program 1 times [2024-11-13 13:36:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:41,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349297676] [2024-11-13 13:36:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:42,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:36:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:42,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:42,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349297676] [2024-11-13 13:36:42,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349297676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:36:42,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444914748] [2024-11-13 13:36:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:42,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:42,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:42,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:36:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:42,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:36:42,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:42,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:36:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:42,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444914748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:36:42,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:36:42,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-13 13:36:42,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192926249] [2024-11-13 13:36:42,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:36:42,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:36:42,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:42,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:36:42,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:36:42,420 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:36:42,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:42,623 INFO L93 Difference]: Finished difference Result 253 states and 257 transitions. [2024-11-13 13:36:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:36:42,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-13 13:36:42,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:42,627 INFO L225 Difference]: With dead ends: 253 [2024-11-13 13:36:42,627 INFO L226 Difference]: Without dead ends: 232 [2024-11-13 13:36:42,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:36:42,630 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 122 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:42,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 399 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:36:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-13 13:36:42,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 156. [2024-11-13 13:36:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.5798319327731092) internal successors, (188), 147 states have internal predecessors, (188), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:36:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 196 transitions. [2024-11-13 13:36:42,666 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 196 transitions. Word has length 33 [2024-11-13 13:36:42,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:42,666 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 196 transitions. [2024-11-13 13:36:42,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:36:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2024-11-13 13:36:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 13:36:42,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:42,670 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:42,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:36:42,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:42,875 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:42,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1481746481, now seen corresponding path program 1 times [2024-11-13 13:36:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:42,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495287531] [2024-11-13 13:36:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:42,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:42,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522676083] [2024-11-13 13:36:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:42,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:42,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:42,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:36:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:42,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:36:42,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:43,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:36:44,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:44,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495287531] [2024-11-13 13:36:44,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:44,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522676083] [2024-11-13 13:36:44,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522676083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:36:44,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:36:44,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 13:36:44,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959947056] [2024-11-13 13:36:44,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:36:44,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:36:44,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:44,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:36:44,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:36:44,883 INFO L87 Difference]: Start difference. First operand 156 states and 196 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:46,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:46,027 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2024-11-13 13:36:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:36:46,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-13 13:36:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:46,030 INFO L225 Difference]: With dead ends: 176 [2024-11-13 13:36:46,030 INFO L226 Difference]: Without dead ends: 168 [2024-11-13 13:36:46,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:36:46,032 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 49 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:46,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 145 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:36:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-13 13:36:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 161. [2024-11-13 13:36:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 124 states have (on average 1.532258064516129) internal successors, (190), 152 states have internal predecessors, (190), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:36:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 198 transitions. [2024-11-13 13:36:46,047 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 198 transitions. Word has length 35 [2024-11-13 13:36:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:46,048 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 198 transitions. [2024-11-13 13:36:46,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2024-11-13 13:36:46,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 13:36:46,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:46,049 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:46,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:36:46,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 13:36:46,250 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:46,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:46,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1310499296, now seen corresponding path program 1 times [2024-11-13 13:36:46,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:46,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276532423] [2024-11-13 13:36:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:46,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498828337] [2024-11-13 13:36:46,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:46,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:46,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:46,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:46,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:36:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:46,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:36:46,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:46,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:36:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:48,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276532423] [2024-11-13 13:36:48,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498828337] [2024-11-13 13:36:48,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498828337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:36:48,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:36:48,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 13:36:48,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99289940] [2024-11-13 13:36:48,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:36:48,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:36:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:48,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:36:48,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:36:48,348 INFO L87 Difference]: Start difference. First operand 161 states and 198 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:52,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:36:53,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:53,445 INFO L93 Difference]: Finished difference Result 177 states and 211 transitions. [2024-11-13 13:36:53,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:36:53,446 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-13 13:36:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:53,448 INFO L225 Difference]: With dead ends: 177 [2024-11-13 13:36:53,448 INFO L226 Difference]: Without dead ends: 169 [2024-11-13 13:36:53,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:36:53,449 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 87 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:53,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 158 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-13 13:36:53,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-13 13:36:53,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 163. [2024-11-13 13:36:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 127 states have (on average 1.4566929133858268) internal successors, (185), 154 states have internal predecessors, (185), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:36:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2024-11-13 13:36:53,470 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 36 [2024-11-13 13:36:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:53,471 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2024-11-13 13:36:53,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:36:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2024-11-13 13:36:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 13:36:53,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:53,476 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:53,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 13:36:53,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:36:53,681 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:53,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1526066729, now seen corresponding path program 1 times [2024-11-13 13:36:53,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:53,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913933728] [2024-11-13 13:36:53,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:53,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970895038] [2024-11-13 13:36:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:53,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:53,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:53,716 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:53,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:36:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:53,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:36:53,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:53,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:36:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:36:54,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913933728] [2024-11-13 13:36:54,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:36:54,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970895038] [2024-11-13 13:36:54,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970895038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:36:54,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:36:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-13 13:36:54,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682297842] [2024-11-13 13:36:54,031 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:36:54,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:36:54,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:36:54,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:36:54,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:36:54,033 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:55,374 INFO L93 Difference]: Finished difference Result 172 states and 200 transitions. [2024-11-13 13:36:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:36:55,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-13 13:36:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:55,376 INFO L225 Difference]: With dead ends: 172 [2024-11-13 13:36:55,376 INFO L226 Difference]: Without dead ends: 169 [2024-11-13 13:36:55,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:36:55,377 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:55,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 107 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:36:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-13 13:36:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 164. [2024-11-13 13:36:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 128 states have (on average 1.4375) internal successors, (184), 155 states have internal predecessors, (184), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:36:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 192 transitions. [2024-11-13 13:36:55,397 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 192 transitions. Word has length 41 [2024-11-13 13:36:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:55,397 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 192 transitions. [2024-11-13 13:36:55,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:36:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 192 transitions. [2024-11-13 13:36:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 13:36:55,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:55,400 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:55,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 13:36:55,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:36:55,605 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:36:55,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:55,606 INFO L85 PathProgramCache]: Analyzing trace with hash -63428282, now seen corresponding path program 1 times [2024-11-13 13:36:55,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:36:55,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839234348] [2024-11-13 13:36:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:36:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:36:55,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69253598] [2024-11-13 13:36:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:36:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:36:55,636 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:36:55,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:36:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:55,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:36:55,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:36:56,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:37:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:37:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:01,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839234348] [2024-11-13 13:37:01,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:37:01,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69253598] [2024-11-13 13:37:01,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69253598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:37:01,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:37:01,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 13:37:01,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831757990] [2024-11-13 13:37:01,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:37:01,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:37:01,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:01,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:37:01,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:37:01,313 INFO L87 Difference]: Start difference. First operand 164 states and 192 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:37:04,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:04,331 INFO L93 Difference]: Finished difference Result 177 states and 209 transitions. [2024-11-13 13:37:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:37:04,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-13 13:37:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:04,333 INFO L225 Difference]: With dead ends: 177 [2024-11-13 13:37:04,333 INFO L226 Difference]: Without dead ends: 174 [2024-11-13 13:37:04,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:37:04,335 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:04,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 204 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 13:37:04,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-13 13:37:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2024-11-13 13:37:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 134 states have (on average 1.4253731343283582) internal successors, (191), 160 states have internal predecessors, (191), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:37:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 199 transitions. [2024-11-13 13:37:04,346 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 199 transitions. Word has length 42 [2024-11-13 13:37:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:04,347 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 199 transitions. [2024-11-13 13:37:04,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:37:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 199 transitions. [2024-11-13 13:37:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 13:37:04,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:04,348 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:04,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-13 13:37:04,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:37:04,549 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:37:04,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:04,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1966276679, now seen corresponding path program 1 times [2024-11-13 13:37:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:04,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381805452] [2024-11-13 13:37:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:37:04,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1465038284] [2024-11-13 13:37:04,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:04,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:04,580 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:04,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:37:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:04,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:37:04,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:37:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:37:04,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:37:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381805452] [2024-11-13 13:37:10,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:37:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465038284] [2024-11-13 13:37:10,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465038284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:37:10,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:37:10,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 13:37:10,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819387597] [2024-11-13 13:37:10,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:37:10,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:37:10,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:37:10,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:37:10,072 INFO L87 Difference]: Start difference. First operand 169 states and 199 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:37:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:10,740 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions. [2024-11-13 13:37:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:37:10,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-13 13:37:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:10,743 INFO L225 Difference]: With dead ends: 178 [2024-11-13 13:37:10,743 INFO L226 Difference]: Without dead ends: 164 [2024-11-13 13:37:10,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:37:10,744 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 20 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:10,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 113 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:37:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-13 13:37:10,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2024-11-13 13:37:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 127 states have (on average 1.4251968503937007) internal successors, (181), 153 states have internal predecessors, (181), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:37:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 189 transitions. [2024-11-13 13:37:10,755 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 189 transitions. Word has length 43 [2024-11-13 13:37:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:10,756 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 189 transitions. [2024-11-13 13:37:10,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:37:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 189 transitions. [2024-11-13 13:37:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 13:37:10,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:10,757 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:10,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 13:37:10,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:37:10,958 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:37:10,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:10,958 INFO L85 PathProgramCache]: Analyzing trace with hash -282360283, now seen corresponding path program 1 times [2024-11-13 13:37:10,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:10,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038934359] [2024-11-13 13:37:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:10,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:37:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:37:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:11,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:11,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038934359] [2024-11-13 13:37:11,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038934359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:37:11,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105438829] [2024-11-13 13:37:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:11,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:11,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:11,121 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:11,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 13:37:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:37:11,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:37:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:11,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:37:11,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105438829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:37:11,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:37:11,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 13:37:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661605927] [2024-11-13 13:37:11,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:37:11,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:37:11,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:11,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:37:11,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:37:11,299 INFO L87 Difference]: Start difference. First operand 162 states and 189 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:37:11,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:11,336 INFO L93 Difference]: Finished difference Result 172 states and 192 transitions. [2024-11-13 13:37:11,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:37:11,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-13 13:37:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:11,338 INFO L225 Difference]: With dead ends: 172 [2024-11-13 13:37:11,338 INFO L226 Difference]: Without dead ends: 171 [2024-11-13 13:37:11,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:37:11,339 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 71 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:11,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:37:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-13 13:37:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 161. [2024-11-13 13:37:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 152 states have internal predecessors, (178), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:37:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 186 transitions. [2024-11-13 13:37:11,353 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 186 transitions. Word has length 51 [2024-11-13 13:37:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:11,354 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 186 transitions. [2024-11-13 13:37:11,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:37:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 186 transitions. [2024-11-13 13:37:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 13:37:11,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:11,358 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:11,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 13:37:11,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 13:37:11,559 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:37:11,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash -163234106, now seen corresponding path program 1 times [2024-11-13 13:37:11,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:11,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028038037] [2024-11-13 13:37:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:11,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:37:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:37:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028038037] [2024-11-13 13:37:11,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028038037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:37:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571650742] [2024-11-13 13:37:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:11,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:11,695 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:11,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 13:37:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:11,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:37:11,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:37:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:11,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:37:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:12,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571650742] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:37:12,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:37:12,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 13:37:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593666849] [2024-11-13 13:37:12,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:37:12,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:37:12,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:12,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:37:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:37:12,033 INFO L87 Difference]: Start difference. First operand 161 states and 186 transitions. Second operand has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:37:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:12,108 INFO L93 Difference]: Finished difference Result 241 states and 253 transitions. [2024-11-13 13:37:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:37:12,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 52 [2024-11-13 13:37:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:12,110 INFO L225 Difference]: With dead ends: 241 [2024-11-13 13:37:12,111 INFO L226 Difference]: Without dead ends: 240 [2024-11-13 13:37:12,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:37:12,112 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 70 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:12,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 301 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:37:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-13 13:37:12,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 176. [2024-11-13 13:37:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 141 states have (on average 1.4326241134751774) internal successors, (202), 166 states have internal predecessors, (202), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:37:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 212 transitions. [2024-11-13 13:37:12,124 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 212 transitions. Word has length 52 [2024-11-13 13:37:12,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:12,124 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 212 transitions. [2024-11-13 13:37:12,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:37:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 212 transitions. [2024-11-13 13:37:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 13:37:12,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:12,126 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-13 13:37:12,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 13:37:12,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 13:37:12,326 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:37:12,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:12,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1071727541, now seen corresponding path program 1 times [2024-11-13 13:37:12,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:12,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464078055] [2024-11-13 13:37:12,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:12,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:12,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:37:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:37:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464078055] [2024-11-13 13:37:12,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464078055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:37:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582722583] [2024-11-13 13:37:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:12,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:12,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:12,553 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:12,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 13:37:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:12,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:37:12,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:37:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:37:12,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:37:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:37:13,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582722583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:37:13,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:37:13,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-13 13:37:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687785044] [2024-11-13 13:37:13,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:37:13,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:37:13,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:13,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:37:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:37:13,007 INFO L87 Difference]: Start difference. First operand 176 states and 212 transitions. Second operand has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:37:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:13,311 INFO L93 Difference]: Finished difference Result 336 states and 347 transitions. [2024-11-13 13:37:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:37:13,312 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 63 [2024-11-13 13:37:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:13,314 INFO L225 Difference]: With dead ends: 336 [2024-11-13 13:37:13,314 INFO L226 Difference]: Without dead ends: 315 [2024-11-13 13:37:13,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:37:13,315 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 189 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:13,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 641 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:37:13,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-13 13:37:13,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 218. [2024-11-13 13:37:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 180 states have (on average 1.4388888888888889) internal successors, (259), 205 states have internal predecessors, (259), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:37:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 271 transitions. [2024-11-13 13:37:13,330 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 271 transitions. Word has length 63 [2024-11-13 13:37:13,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:13,330 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 271 transitions. [2024-11-13 13:37:13,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:37:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 271 transitions. [2024-11-13 13:37:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 13:37:13,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:13,332 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-13 13:37:13,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 13:37:13,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 13:37:13,537 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-13 13:37:13,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1071727524, now seen corresponding path program 2 times [2024-11-13 13:37:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:13,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187144477] [2024-11-13 13:37:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:37:13,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300107706] [2024-11-13 13:37:13,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:37:13,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:13,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:13,571 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:13,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 13:37:13,656 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:37:13,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-13 13:37:13,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:37:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:37:13,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:37:13,722 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:37:13,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-11-13 13:37:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-11-13 13:37:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-11-13 13:37:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-11-13 13:37:13,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-11-13 13:37:13,727 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-11-13 13:37:13,728 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-11-13 13:37:13,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 13:37:13,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:37:13,933 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:13,993 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:37:13,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:37:13 BoogieIcfgContainer [2024-11-13 13:37:14,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:37:14,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:37:14,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:37:14,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:37:14,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:36:36" (3/4) ... [2024-11-13 13:37:14,003 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 13:37:14,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:37:14,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:37:14,075 INFO L158 Benchmark]: Toolchain (without parser) took 39164.99ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 69.6MB in the end (delta: 23.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-13 13:37:14,076 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:14,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.28ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:14,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.52ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:14,077 INFO L158 Benchmark]: Boogie Preprocessor took 63.93ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:14,078 INFO L158 Benchmark]: RCFGBuilder took 891.94ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 64.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:14,078 INFO L158 Benchmark]: TraceAbstraction took 37705.99ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 71.9MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:14,079 INFO L158 Benchmark]: Witness Printer took 69.62ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:14,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.28ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.52ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.93ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 891.94ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 64.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 37705.99ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 71.9MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.62ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int counter = 0; VAL [counter=0] [L25] int z, k; [L26] long long x, y, c; [L27] z = __VERIFIER_nondet_int() [L28] k = __VERIFIER_nondet_int() [L30] x = 1 [L31] y = 1 [L32] c = 1 VAL [c=1, counter=0, k=3, x=1, y=1, z=-2147483647] [L34] EXPR counter++ VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L34] COND TRUE counter++<20 [L35] EXPR x*z VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L35] EXPR 1 + x*z VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L35] EXPR 1 + x*z - x VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L35] EXPR z*y VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L35] EXPR 1 + x*z - x - z*y VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L35] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L37] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=3, x=1, y=1, z=-2147483647] [L40] EXPR c + 1 [L40] c = c + 1 VAL [c=2, counter=1, k=3, x=1, y=1, z=-2147483647] [L41] EXPR x * z VAL [c=2, counter=1, k=3, x=1, y=1, z=-2147483647] [L41] EXPR x * z + 1 [L41] x = x * z + 1 VAL [c=2, counter=1, k=3, x=-2147483646, y=1, z=-2147483647] [L42] EXPR y * z [L42] y = y * z VAL [c=2, counter=1, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR counter++ VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] COND TRUE counter++<20 [L35] EXPR x*z VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L35] EXPR 1 + x*z VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L35] EXPR 1 + x*z - x VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L35] EXPR z*y VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L35] EXPR 1 + x*z - x - z*y VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L35] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L37] COND FALSE !(!(c < k)) VAL [c=2, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L40] EXPR c + 1 [L40] c = c + 1 VAL [c=3, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L41] EXPR x * z VAL [c=3, counter=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L41] EXPR x * z + 1 [L41] x = x * z + 1 VAL [c=3, counter=2, k=3, x=4611686011984936963, y=-2147483647, z=-2147483647] [L42] EXPR y * z [L42] y = y * z VAL [c=3, counter=2, k=3, x=4611686011984936963, y=4611686014132420609, z=-2147483647] [L34] EXPR counter++ VAL [c=3, counter=3, k=3, x=4611686011984936963, y=4611686014132420609, z=-2147483647] [L34] COND TRUE counter++<20 [L35] x*z VAL [c=3, counter=3, k=3, y=4611686014132420609] - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 37.6s, OverallIterations: 18, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 922 SdHoareTripleChecker+Valid, 12.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 2933 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2052 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2104 IncrementalHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 881 mSDtfsCounter, 2104 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 783 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=17, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 298 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 1064 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 884 ConstructedInterpolants, 7 QuantifiedInterpolants, 4434 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1065 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 26 InterpolantComputations, 9 PerfectInterpolantSequences, 45/290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 13:37:14,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fcc058a-e93c-421c-a7bb-737346f65995/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)