./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/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_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/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 64bit --witnessprinter.graph.data.programhash de7da20d4eaaa585438f85709f7fd309a77ec10ab7307dad72c7fb2392cc347c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:59:43,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:59:43,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:59:43,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:59:43,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:59:43,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:59:43,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:59:43,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:59:43,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:59:43,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:59:43,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:59:43,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:59:43,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:59:43,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:59:43,360 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:59:43,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:59:43,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:59:43,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:59:43,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:59:43,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:59:43,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:59:43,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:59:43,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:59:43,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:59:43,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:59:43,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:59:43,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:59:43,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:59:43,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:59:43,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:59:43,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:59:43,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:59:43,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:59:43,365 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_e62cbf84-be9f-4981-a14c-f6f9db7071bf/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7da20d4eaaa585438f85709f7fd309a77ec10ab7307dad72c7fb2392cc347c [2024-11-13 13:59:43,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:59:43,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:59:43,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:59:43,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:59:43,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:59:43,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i Unable to find full path for "g++" [2024-11-13 13:59:45,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:59:46,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:59:46,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2024-11-13 13:59:46,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/data/c15655a48/b0914e567a914cb3b9984a69b5d45aac/FLAGaea5c9f4c [2024-11-13 13:59:46,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/data/c15655a48/b0914e567a914cb3b9984a69b5d45aac [2024-11-13 13:59:46,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:59:46,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:59:46,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:59:46,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:59:46,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:59:46,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e290b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46, skipping insertion in model container [2024-11-13 13:59:46,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:59:46,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:59:46,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:59:46,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:59:46,657 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:59:46,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46 WrapperNode [2024-11-13 13:59:46,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:59:46,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:59:46,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:59:46,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:59:46,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,691 INFO L138 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-13 13:59:46,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:59:46,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:59:46,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:59:46,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:59:46,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,711 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 13:59:46,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:59:46,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:59:46,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:59:46,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:59:46,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (1/1) ... [2024-11-13 13:59:46,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:59:46,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:46,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:59:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:59:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:59:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:59:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:59:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:59:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:59:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:59:46,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:59:46,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:59:47,097 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 13:59:47,097 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:59:47,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:59:47,108 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:59:47,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:59:47 BoogieIcfgContainer [2024-11-13 13:59:47,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:59:47,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:59:47,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:59:47,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:59:47,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:59:46" (1/3) ... [2024-11-13 13:59:47,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fb054e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:59:47, skipping insertion in model container [2024-11-13 13:59:47,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:59:46" (2/3) ... [2024-11-13 13:59:47,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fb054e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:59:47, skipping insertion in model container [2024-11-13 13:59:47,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:59:47" (3/3) ... [2024-11-13 13:59:47,121 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-2.i [2024-11-13 13:59:47,140 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:59:47,141 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG insertionsort-alloca-2.i that has 1 procedures, 29 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-13 13:59:47,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:59:47,217 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;@7f5d5fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:59:47,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 13:59:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 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 13:59:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:59:47,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:47,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:47,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:47,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash 119537740, now seen corresponding path program 1 times [2024-11-13 13:59:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:47,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811280596] [2024-11-13 13:59:47,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:47,505 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 13:59:47,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:47,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811280596] [2024-11-13 13:59:47,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811280596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:47,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:47,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:59:47,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431385368] [2024-11-13 13:59:47,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:47,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:47,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:47,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:47,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:47,535 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:47,663 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2024-11-13 13:59:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 13:59:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:47,675 INFO L225 Difference]: With dead ends: 61 [2024-11-13 13:59:47,675 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 13:59:47,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:59:47,683 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:47,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 37 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:59:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 13:59:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-13 13:59:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.565217391304348) internal successors, (36), 29 states have internal predecessors, (36), 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 13:59:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-13 13:59:47,724 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 8 [2024-11-13 13:59:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:47,726 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-13 13:59:47,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-13 13:59:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:59:47,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:47,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:47,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:59:47,730 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:47,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:47,732 INFO L85 PathProgramCache]: Analyzing trace with hash -589297298, now seen corresponding path program 1 times [2024-11-13 13:59:47,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:47,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996549172] [2024-11-13 13:59:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:47,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:47,899 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 13:59:47,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:47,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996549172] [2024-11-13 13:59:47,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996549172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:47,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:47,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:59:47,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610207999] [2024-11-13 13:59:47,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:47,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:47,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:47,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:47,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:47,902 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:48,023 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2024-11-13 13:59:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:48,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 13:59:48,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:48,024 INFO L225 Difference]: With dead ends: 60 [2024-11-13 13:59:48,024 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 13:59:48,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:59:48,025 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 35 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:48,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 58 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:59:48,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 13:59:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-11-13 13:59:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 49 states have internal predecessors, (66), 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 13:59:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-11-13 13:59:48,034 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 9 [2024-11-13 13:59:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:48,035 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-11-13 13:59:48,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-13 13:59:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:59:48,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:48,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:48,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:59:48,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 626830582, now seen corresponding path program 1 times [2024-11-13 13:59:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:48,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545206714] [2024-11-13 13:59:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:48,118 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 13:59:48,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:48,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545206714] [2024-11-13 13:59:48,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545206714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:48,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:48,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:59:48,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216173825] [2024-11-13 13:59:48,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:48,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:59:48,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:48,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:59:48,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:59:48,120 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:48,148 INFO L93 Difference]: Finished difference Result 94 states and 127 transitions. [2024-11-13 13:59:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:59:48,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 13:59:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:48,153 INFO L225 Difference]: With dead ends: 94 [2024-11-13 13:59:48,154 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 13:59:48,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:59:48,156 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:48,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 13:59:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2024-11-13 13:59:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 45 states have (on average 1.511111111111111) internal successors, (68), 51 states have internal predecessors, (68), 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 13:59:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2024-11-13 13:59:48,165 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 11 [2024-11-13 13:59:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:48,165 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2024-11-13 13:59:48,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-11-13 13:59:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 13:59:48,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:48,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:48,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:59:48,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:48,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:48,168 INFO L85 PathProgramCache]: Analyzing trace with hash -236934414, now seen corresponding path program 1 times [2024-11-13 13:59:48,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:48,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658930781] [2024-11-13 13:59:48,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:48,317 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 13:59:48,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658930781] [2024-11-13 13:59:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658930781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:48,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:48,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:59:48,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247464620] [2024-11-13 13:59:48,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:48,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:48,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:48,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:48,319 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 13:59:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:48,373 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2024-11-13 13:59:48,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:48,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 13:59:48,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:48,374 INFO L225 Difference]: With dead ends: 54 [2024-11-13 13:59:48,374 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 13:59:48,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:48,375 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:48,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 45 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 13:59:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2024-11-13 13:59:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 46 states have internal predecessors, (59), 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 13:59:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2024-11-13 13:59:48,382 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 13 [2024-11-13 13:59:48,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:48,382 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2024-11-13 13:59:48,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 13:59:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2024-11-13 13:59:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 13:59:48,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:48,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:48,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:59:48,383 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:48,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1244967832, now seen corresponding path program 1 times [2024-11-13 13:59:48,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:48,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083538568] [2024-11-13 13:59:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:48,549 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 13:59:48,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:48,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083538568] [2024-11-13 13:59:48,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083538568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:48,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:48,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:59:48,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365324300] [2024-11-13 13:59:48,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:48,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:59:48,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:48,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:59:48,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:59:48,552 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 13:59:48,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:48,641 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2024-11-13 13:59:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:59:48,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 13:59:48,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:48,643 INFO L225 Difference]: With dead ends: 56 [2024-11-13 13:59:48,643 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 13:59:48,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:59:48,644 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 32 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:48,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 66 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:59:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 13:59:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-11-13 13:59:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 48 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-11-13 13:59:48,651 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 14 [2024-11-13 13:59:48,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:48,651 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-13 13:59:48,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 13:59:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-11-13 13:59:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 13:59:48,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:48,652 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:48,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:59:48,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:48,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:48,653 INFO L85 PathProgramCache]: Analyzing trace with hash 74905490, now seen corresponding path program 1 times [2024-11-13 13:59:48,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:48,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305952411] [2024-11-13 13:59:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:59:48,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305952411] [2024-11-13 13:59:48,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305952411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:48,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:48,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:59:48,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435335194] [2024-11-13 13:59:48,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:48,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:59:48,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:48,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:59:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:59:48,762 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:48,852 INFO L93 Difference]: Finished difference Result 81 states and 99 transitions. [2024-11-13 13:59:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:59:48,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 13:59:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:48,854 INFO L225 Difference]: With dead ends: 81 [2024-11-13 13:59:48,854 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 13:59:48,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:59:48,855 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 36 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:48,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 34 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:59:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 13:59:48,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-11-13 13:59:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 48 states have internal predecessors, (59), 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 13:59:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2024-11-13 13:59:48,862 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 16 [2024-11-13 13:59:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:48,862 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2024-11-13 13:59:48,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2024-11-13 13:59:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 13:59:48,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:48,863 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:48,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:59:48,863 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:48,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:48,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1794132893, now seen corresponding path program 1 times [2024-11-13 13:59:48,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:48,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490424577] [2024-11-13 13:59:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:48,971 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 13:59:48,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:48,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490424577] [2024-11-13 13:59:48,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490424577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:48,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207312172] [2024-11-13 13:59:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:48,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:48,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:48,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:48,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:59:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:49,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:59:49,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:59:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:59:49,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:59:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207312172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:49,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:59:49,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-13 13:59:49,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227648355] [2024-11-13 13:59:49,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:49,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:49,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:49,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:49,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:59:49,158 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:49,212 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2024-11-13 13:59:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 13:59:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:49,213 INFO L225 Difference]: With dead ends: 51 [2024-11-13 13:59:49,214 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 13:59:49,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:59:49,215 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:49,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 13:59:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2024-11-13 13:59:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-13 13:59:49,229 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 17 [2024-11-13 13:59:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:49,230 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-13 13:59:49,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-13 13:59:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 13:59:49,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:49,231 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:49,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:59:49,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 13:59:49,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:49,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:49,434 INFO L85 PathProgramCache]: Analyzing trace with hash -101820650, now seen corresponding path program 1 times [2024-11-13 13:59:49,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:49,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546918528] [2024-11-13 13:59:49,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:49,600 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 13:59:49,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:49,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546918528] [2024-11-13 13:59:49,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546918528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:49,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352479731] [2024-11-13 13:59:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:49,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:49,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:49,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:49,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:59:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:49,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:59:49,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:59:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:59:49,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:59:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352479731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:49,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:59:49,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 13:59:49,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952179138] [2024-11-13 13:59:49,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:49,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:49,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:49,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:59:49,759 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 13:59:49,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:49,782 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2024-11-13 13:59:49,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:49,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 18 [2024-11-13 13:59:49,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:49,784 INFO L225 Difference]: With dead ends: 91 [2024-11-13 13:59:49,784 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 13:59:49,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:59:49,785 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:49,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 13:59:49,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-13 13:59:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 46 states have internal predecessors, (55), 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 13:59:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-11-13 13:59:49,792 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 18 [2024-11-13 13:59:49,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:49,792 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-13 13:59:49,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 13:59:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-11-13 13:59:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 13:59:49,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:49,793 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:49,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:59:49,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:49,994 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:49,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:49,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1122889004, now seen corresponding path program 1 times [2024-11-13 13:59:49,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:49,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746375587] [2024-11-13 13:59:49,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:49,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:50,134 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 13:59:50,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746375587] [2024-11-13 13:59:50,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746375587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012896961] [2024-11-13 13:59:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:50,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:50,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:59:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:50,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:59:50,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:59:50,300 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 13:59:50,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:59:50,386 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 13:59:50,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012896961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:59:50,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:59:50,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-13 13:59:50,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039609011] [2024-11-13 13:59:50,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:59:50,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:59:50,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:50,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:59:50,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:59:50,389 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:50,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:50,587 INFO L93 Difference]: Finished difference Result 73 states and 87 transitions. [2024-11-13 13:59:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:59:50,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-13 13:59:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:50,589 INFO L225 Difference]: With dead ends: 73 [2024-11-13 13:59:50,589 INFO L226 Difference]: Without dead ends: 70 [2024-11-13 13:59:50,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:59:50,590 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 99 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:50,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 46 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:59:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-13 13:59:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 61. [2024-11-13 13:59:50,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2024-11-13 13:59:50,599 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 18 [2024-11-13 13:59:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:50,600 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2024-11-13 13:59:50,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2024-11-13 13:59:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 13:59:50,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:50,601 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:50,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:59:50,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 13:59:50,802 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:50,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:50,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1024550414, now seen corresponding path program 1 times [2024-11-13 13:59:50,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:50,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143358300] [2024-11-13 13:59:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:50,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 13:59:50,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:50,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143358300] [2024-11-13 13:59:50,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143358300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:59:50,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:59:50,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:59:50,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472381662] [2024-11-13 13:59:50,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:50,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:59:50,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:50,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:59:50,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:50,908 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 13:59:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:50,950 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2024-11-13 13:59:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:59:50,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 23 [2024-11-13 13:59:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:50,951 INFO L225 Difference]: With dead ends: 65 [2024-11-13 13:59:50,952 INFO L226 Difference]: Without dead ends: 64 [2024-11-13 13:59:50,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:59:50,953 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:50,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 38 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-13 13:59:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2024-11-13 13:59:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 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 13:59:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2024-11-13 13:59:50,973 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 23 [2024-11-13 13:59:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:50,973 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2024-11-13 13:59:50,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 13:59:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2024-11-13 13:59:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 13:59:50,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:50,974 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-13 13:59:50,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:59:50,975 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:50,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:50,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1774325504, now seen corresponding path program 1 times [2024-11-13 13:59:50,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:50,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293951026] [2024-11-13 13:59:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:59:51,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:51,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293951026] [2024-11-13 13:59:51,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293951026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:51,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356189940] [2024-11-13 13:59:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:51,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:51,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:51,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:51,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:59:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:51,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:59:51,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:59:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:59:51,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:59:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:59:51,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356189940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:59:51,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:59:51,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 13:59:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262075317] [2024-11-13 13:59:51,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:59:51,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:59:51,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:51,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:59:51,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:59:51,457 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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 13:59:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:51,525 INFO L93 Difference]: Finished difference Result 118 states and 135 transitions. [2024-11-13 13:59:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:59:51,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-13 13:59:51,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:51,526 INFO L225 Difference]: With dead ends: 118 [2024-11-13 13:59:51,527 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 13:59:51,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:59:51,528 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 60 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:51,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 98 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 13:59:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-13 13:59:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.1293103448275863) internal successors, (131), 116 states have internal predecessors, (131), 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 13:59:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 131 transitions. [2024-11-13 13:59:51,558 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 131 transitions. Word has length 31 [2024-11-13 13:59:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:51,558 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 131 transitions. [2024-11-13 13:59:51,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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 13:59:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 131 transitions. [2024-11-13 13:59:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:59:51,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:51,562 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-13 13:59:51,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:59:51,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:59:51,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 13:59:51,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:51,767 INFO L85 PathProgramCache]: Analyzing trace with hash -721539072, now seen corresponding path program 2 times [2024-11-13 13:59:51,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:59:51,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581762420] [2024-11-13 13:59:51,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:51,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:59:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-13 13:59:52,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:59:52,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581762420] [2024-11-13 13:59:52,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581762420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:52,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727463629] [2024-11-13 13:59:52,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:59:52,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:59:52,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:59:52,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:59:52,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:59:52,219 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:59:52,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:59:52,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:59:52,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:59:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-13 13:59:52,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:59:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-13 13:59:52,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727463629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:59:52,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:59:52,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-13 13:59:52,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998829903] [2024-11-13 13:59:52,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:59:52,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:59:52,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:59:52,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:59:52,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:59:52,620 INFO L87 Difference]: Start difference. First operand 117 states and 131 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:52,654 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2024-11-13 13:59:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:59:52,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 13:59:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:52,656 INFO L225 Difference]: With dead ends: 117 [2024-11-13 13:59:52,656 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:59:52,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:59:52,657 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:52,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 31 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:59:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:59:52,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:59:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 13:59:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:59:52,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-13 13:59:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:52,659 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:59:52,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:59:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:59:52,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:59:52,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-13 13:59:52,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-13 13:59:52,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 13:59:52,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 13:59:52,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 13:59:52,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 13:59:52,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 13:59:52,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 13:59:52,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:59:52,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:59:52,872 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:52,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:59:53,083 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:59:53,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:59:53 BoogieIcfgContainer [2024-11-13 13:59:53,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:59:53,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:59:53,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:59:53,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:59:53,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:59:47" (3/4) ... [2024-11-13 13:59:53,118 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:59:53,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 13:59:53,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 13:59:53,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 13:59:53,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:59:53,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:59:53,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:59:53,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:59:53,232 INFO L158 Benchmark]: Toolchain (without parser) took 6935.70ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.2MB in the beginning and 147.2MB in the end (delta: -54.0MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. [2024-11-13 13:59:53,232 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:59:53,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.25ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:59:53,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.55ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:59:53,233 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:59:53,234 INFO L158 Benchmark]: RCFGBuilder took 385.30ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 62.4MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:59:53,235 INFO L158 Benchmark]: TraceAbstraction took 6001.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.0MB in the beginning and 152.0MB in the end (delta: -90.0MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-11-13 13:59:53,235 INFO L158 Benchmark]: Witness Printer took 116.95ms. Allocated memory is still 352.3MB. Free memory was 152.0MB in the beginning and 147.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:59:53,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.25ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.55ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.30ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 62.4MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6001.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.0MB in the beginning and 152.0MB in the end (delta: -90.0MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 116.95ms. Allocated memory is still 352.3MB. Free memory was 152.0MB in the beginning and 147.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 325 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 325 mSDsluCounter, 594 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 386 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 208 mSDtfsCounter, 351 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=11, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 51 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 396 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 364 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 440/688 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((1 <= i) && (array_size <= 2147483647)) && (i <= 2147483647)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((1 <= i) && (i <= 2147483646)) && (array_size <= 2147483647)) && (j <= 2147483648)) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:59:53,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62cbf84-be9f-4981-a14c-f6f9db7071bf/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 Result: TRUE