./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/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_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:13:55,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:13:55,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:13:55,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:13:55,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:13:55,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:13:55,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:13:55,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:13:55,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:13:55,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:13:55,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:13:55,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:13:55,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:13:55,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:13:55,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:13:55,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:13:55,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:13:55,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:13:55,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:13:55,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:13:55,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:13:55,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:13:55,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:13:55,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:13:55,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:13:55,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:13:55,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:13:55,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:13:55,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:13:55,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:55,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:13:55,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:13:55,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:13:55,771 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_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2024-11-13 13:13:56,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:13:56,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:13:56,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:13:56,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:13:56,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:13:56,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c Unable to find full path for "g++" [2024-11-13 13:13:58,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:13:59,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:13:59,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-13 13:13:59,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/data/b718f7875/d605c00de70a4e8d98a2b510d07a4f96/FLAG5e5288306 [2024-11-13 13:13:59,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/data/b718f7875/d605c00de70a4e8d98a2b510d07a4f96 [2024-11-13 13:13:59,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:13:59,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:13:59,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:59,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:13:59,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:13:59,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:59" (1/1) ... [2024-11-13 13:13:59,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae4a7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:59, skipping insertion in model container [2024-11-13 13:13:59,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:59" (1/1) ... [2024-11-13 13:13:59,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:14:00,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:00,039 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:14:00,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:00,138 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:14:00,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00 WrapperNode [2024-11-13 13:14:00,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:14:00,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:00,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:14:00,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:14:00,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,215 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 648 [2024-11-13 13:14:00,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:00,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:14:00,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:14:00,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:14:00,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,256 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:14:00,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:14:00,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:14:00,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:14:00,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:14:00,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (1/1) ... [2024-11-13 13:14:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:14:00,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:00,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:14:00,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:14:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:14:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:14:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:14:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:14:00,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:14:00,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:14:00,627 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:14:01,584 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-11-13 13:14:01,585 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-11-13 13:14:01,687 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-11-13 13:14:01,687 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:14:01,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:14:01,720 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:14:01,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:01 BoogieIcfgContainer [2024-11-13 13:14:01,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:14:01,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:14:01,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:14:01,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:14:01,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:13:59" (1/3) ... [2024-11-13 13:14:01,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b37125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:14:01, skipping insertion in model container [2024-11-13 13:14:01,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:00" (2/3) ... [2024-11-13 13:14:01,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b37125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:14:01, skipping insertion in model container [2024-11-13 13:14:01,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:01" (3/3) ... [2024-11-13 13:14:01,740 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2024-11-13 13:14:01,767 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:14:01,771 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG s3_srvr_1a.BV.c.cil.c that has 1 procedures, 178 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-13 13:14:01,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:14:01,920 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;@1f2d981b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:14:01,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 13:14:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 0 states have call successors, (0), 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 13:14:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 13:14:01,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:01,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:01,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:01,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:01,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1946027665, now seen corresponding path program 1 times [2024-11-13 13:14:01,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:01,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829688766] [2024-11-13 13:14:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:02,601 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 13:14:02,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:02,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829688766] [2024-11-13 13:14:02,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829688766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:02,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:02,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:02,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940661273] [2024-11-13 13:14:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:02,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:02,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:02,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:02,666 INFO L87 Difference]: Start difference. First operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 13:14:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:03,097 INFO L93 Difference]: Finished difference Result 364 states and 609 transitions. [2024-11-13 13:14:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:03,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 19 [2024-11-13 13:14:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:03,116 INFO L225 Difference]: With dead ends: 364 [2024-11-13 13:14:03,116 INFO L226 Difference]: Without dead ends: 180 [2024-11-13 13:14:03,122 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 13:14:03,129 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 94 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:03,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 381 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-13 13:14:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-13 13:14:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 176 states have (on average 1.5625) internal successors, (275), 179 states have internal predecessors, (275), 0 states have call successors, (0), 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 13:14:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 275 transitions. [2024-11-13 13:14:03,219 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 275 transitions. Word has length 19 [2024-11-13 13:14:03,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:03,222 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 275 transitions. [2024-11-13 13:14:03,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 13:14:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 275 transitions. [2024-11-13 13:14:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 13:14:03,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:03,226 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:03,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:14:03,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:03,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash -448703917, now seen corresponding path program 1 times [2024-11-13 13:14:03,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:03,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118347232] [2024-11-13 13:14:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:03,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,530 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 13:14:03,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:03,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118347232] [2024-11-13 13:14:03,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118347232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:03,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:03,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:03,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530612586] [2024-11-13 13:14:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:03,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:03,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:03,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:03,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:03,538 INFO L87 Difference]: Start difference. First operand 180 states and 275 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 13:14:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:03,899 INFO L93 Difference]: Finished difference Result 355 states and 540 transitions. [2024-11-13 13:14:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:03,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 13:14:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:03,902 INFO L225 Difference]: With dead ends: 355 [2024-11-13 13:14:03,902 INFO L226 Difference]: Without dead ends: 189 [2024-11-13 13:14:03,904 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 13:14:03,905 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 81 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:03,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 303 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-13 13:14:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2024-11-13 13:14:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 177 states have (on average 1.5593220338983051) internal successors, (276), 180 states have internal predecessors, (276), 0 states have call successors, (0), 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 13:14:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 276 transitions. [2024-11-13 13:14:03,922 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 276 transitions. Word has length 20 [2024-11-13 13:14:03,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:03,923 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 276 transitions. [2024-11-13 13:14:03,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 13:14:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2024-11-13 13:14:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 13:14:03,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:03,924 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:03,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:14:03,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:03,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:03,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2143094745, now seen corresponding path program 1 times [2024-11-13 13:14:03,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:03,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056847702] [2024-11-13 13:14:03,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:04,101 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 13:14:04,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:04,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056847702] [2024-11-13 13:14:04,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056847702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:04,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:04,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110550932] [2024-11-13 13:14:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:04,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:04,105 INFO L87 Difference]: Start difference. First operand 181 states and 276 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 13:14:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:04,365 INFO L93 Difference]: Finished difference Result 366 states and 560 transitions. [2024-11-13 13:14:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:04,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 13:14:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:04,368 INFO L225 Difference]: With dead ends: 366 [2024-11-13 13:14:04,368 INFO L226 Difference]: Without dead ends: 199 [2024-11-13 13:14:04,369 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 13:14:04,375 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 36 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:04,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 380 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-13 13:14:04,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-13 13:14:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 195 states have (on average 1.5333333333333334) internal successors, (299), 198 states have internal predecessors, (299), 0 states have call successors, (0), 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 13:14:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 299 transitions. [2024-11-13 13:14:04,411 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 299 transitions. Word has length 21 [2024-11-13 13:14:04,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:04,412 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 299 transitions. [2024-11-13 13:14:04,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 13:14:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 299 transitions. [2024-11-13 13:14:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 13:14:04,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:04,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:04,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:14:04,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:04,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash 248199946, now seen corresponding path program 1 times [2024-11-13 13:14:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:04,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966296540] [2024-11-13 13:14:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:04,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:04,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:04,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966296540] [2024-11-13 13:14:04,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966296540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:04,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:04,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:04,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944200620] [2024-11-13 13:14:04,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:04,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:04,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:04,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:04,561 INFO L87 Difference]: Start difference. First operand 199 states and 299 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 13:14:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:04,913 INFO L93 Difference]: Finished difference Result 436 states and 666 transitions. [2024-11-13 13:14:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:04,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-13 13:14:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:04,916 INFO L225 Difference]: With dead ends: 436 [2024-11-13 13:14:04,918 INFO L226 Difference]: Without dead ends: 251 [2024-11-13 13:14:04,920 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 13:14:04,925 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 54 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:04,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 351 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:04,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-13 13:14:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 231. [2024-11-13 13:14:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 227 states have (on average 1.52863436123348) internal successors, (347), 230 states have internal predecessors, (347), 0 states have call successors, (0), 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 13:14:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 347 transitions. [2024-11-13 13:14:04,962 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 347 transitions. Word has length 37 [2024-11-13 13:14:04,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:04,962 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 347 transitions. [2024-11-13 13:14:04,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 13:14:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2024-11-13 13:14:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 13:14:04,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:04,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:04,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:14:04,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:04,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:04,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1298488299, now seen corresponding path program 1 times [2024-11-13 13:14:04,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:04,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851712321] [2024-11-13 13:14:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:05,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851712321] [2024-11-13 13:14:05,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851712321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:05,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:05,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:05,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266739646] [2024-11-13 13:14:05,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:05,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:05,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:05,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:05,077 INFO L87 Difference]: Start difference. First operand 231 states and 347 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:05,442 INFO L93 Difference]: Finished difference Result 519 states and 792 transitions. [2024-11-13 13:14:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:05,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-13 13:14:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:05,445 INFO L225 Difference]: With dead ends: 519 [2024-11-13 13:14:05,445 INFO L226 Difference]: Without dead ends: 280 [2024-11-13 13:14:05,446 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 13:14:05,451 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 78 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:05,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 340 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-13 13:14:05,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2024-11-13 13:14:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 268 states have (on average 1.5) internal successors, (402), 271 states have internal predecessors, (402), 0 states have call successors, (0), 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 13:14:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 402 transitions. [2024-11-13 13:14:05,484 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 402 transitions. Word has length 38 [2024-11-13 13:14:05,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:05,485 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 402 transitions. [2024-11-13 13:14:05,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 402 transitions. [2024-11-13 13:14:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 13:14:05,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:05,494 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:05,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:14:05,495 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:05,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1765016515, now seen corresponding path program 1 times [2024-11-13 13:14:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:05,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265204376] [2024-11-13 13:14:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:05,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:05,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265204376] [2024-11-13 13:14:05,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265204376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:05,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:05,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302186414] [2024-11-13 13:14:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:05,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:05,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:05,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:05,617 INFO L87 Difference]: Start difference. First operand 272 states and 402 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 13:14:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:05,661 INFO L93 Difference]: Finished difference Result 554 states and 812 transitions. [2024-11-13 13:14:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 59 [2024-11-13 13:14:05,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:05,670 INFO L225 Difference]: With dead ends: 554 [2024-11-13 13:14:05,673 INFO L226 Difference]: Without dead ends: 296 [2024-11-13 13:14:05,674 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 13:14:05,676 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 10 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:05,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 498 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:14:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-13 13:14:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-13 13:14:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 292 states have (on average 1.476027397260274) internal successors, (431), 295 states have internal predecessors, (431), 0 states have call successors, (0), 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 13:14:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 431 transitions. [2024-11-13 13:14:05,702 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 431 transitions. Word has length 59 [2024-11-13 13:14:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:05,703 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 431 transitions. [2024-11-13 13:14:05,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 13:14:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 431 transitions. [2024-11-13 13:14:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 13:14:05,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:05,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:05,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:14:05,707 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:05,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2107248955, now seen corresponding path program 1 times [2024-11-13 13:14:05,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:05,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444343532] [2024-11-13 13:14:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:14:05,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:05,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444343532] [2024-11-13 13:14:05,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444343532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:05,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:05,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297783627] [2024-11-13 13:14:05,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:05,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:05,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:05,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:05,798 INFO L87 Difference]: Start difference. First operand 296 states and 431 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:06,095 INFO L93 Difference]: Finished difference Result 629 states and 920 transitions. [2024-11-13 13:14:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-13 13:14:06,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:06,099 INFO L225 Difference]: With dead ends: 629 [2024-11-13 13:14:06,099 INFO L226 Difference]: Without dead ends: 344 [2024-11-13 13:14:06,104 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 13:14:06,105 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 78 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:06,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 310 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:06,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-13 13:14:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 336. [2024-11-13 13:14:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.4879518072289157) internal successors, (494), 335 states have internal predecessors, (494), 0 states have call successors, (0), 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 13:14:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 494 transitions. [2024-11-13 13:14:06,139 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 494 transitions. Word has length 59 [2024-11-13 13:14:06,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:06,140 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 494 transitions. [2024-11-13 13:14:06,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 494 transitions. [2024-11-13 13:14:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 13:14:06,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:06,148 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:06,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:14:06,153 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:06,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1881779859, now seen corresponding path program 1 times [2024-11-13 13:14:06,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:06,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529921637] [2024-11-13 13:14:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:14:06,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:06,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529921637] [2024-11-13 13:14:06,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529921637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:06,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:06,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678706428] [2024-11-13 13:14:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:06,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:06,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:06,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:06,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:06,334 INFO L87 Difference]: Start difference. First operand 336 states and 494 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:06,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:06,608 INFO L93 Difference]: Finished difference Result 719 states and 1063 transitions. [2024-11-13 13:14:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:06,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 13:14:06,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:06,613 INFO L225 Difference]: With dead ends: 719 [2024-11-13 13:14:06,613 INFO L226 Difference]: Without dead ends: 397 [2024-11-13 13:14:06,614 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 13:14:06,615 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 36 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:06,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 395 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-13 13:14:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 384. [2024-11-13 13:14:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.4131578947368422) internal successors, (537), 383 states have internal predecessors, (537), 0 states have call successors, (0), 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 13:14:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 537 transitions. [2024-11-13 13:14:06,637 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 537 transitions. Word has length 84 [2024-11-13 13:14:06,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:06,637 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 537 transitions. [2024-11-13 13:14:06,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 537 transitions. [2024-11-13 13:14:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 13:14:06,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:06,641 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:06,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:14:06,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:06,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:06,642 INFO L85 PathProgramCache]: Analyzing trace with hash -167607983, now seen corresponding path program 1 times [2024-11-13 13:14:06,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:06,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034102803] [2024-11-13 13:14:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:14:06,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:06,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034102803] [2024-11-13 13:14:06,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034102803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:06,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:06,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:06,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747650576] [2024-11-13 13:14:06,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:06,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:06,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:06,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:06,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:06,822 INFO L87 Difference]: Start difference. First operand 384 states and 537 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:07,054 INFO L93 Difference]: Finished difference Result 777 states and 1083 transitions. [2024-11-13 13:14:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:07,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 13:14:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:07,060 INFO L225 Difference]: With dead ends: 777 [2024-11-13 13:14:07,060 INFO L226 Difference]: Without dead ends: 407 [2024-11-13 13:14:07,061 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 13:14:07,062 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:07,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 415 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-13 13:14:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-13 13:14:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 403 states have (on average 1.401985111662531) internal successors, (565), 406 states have internal predecessors, (565), 0 states have call successors, (0), 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 13:14:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 565 transitions. [2024-11-13 13:14:07,090 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 565 transitions. Word has length 84 [2024-11-13 13:14:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:07,092 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 565 transitions. [2024-11-13 13:14:07,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 565 transitions. [2024-11-13 13:14:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:14:07,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:07,096 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:07,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:14:07,097 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:07,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:07,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1638006116, now seen corresponding path program 1 times [2024-11-13 13:14:07,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:07,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801751968] [2024-11-13 13:14:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:07,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:14:07,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:07,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801751968] [2024-11-13 13:14:07,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801751968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:07,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:07,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:07,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020531298] [2024-11-13 13:14:07,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:07,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:07,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:07,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:07,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:07,292 INFO L87 Difference]: Start difference. First operand 407 states and 565 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:07,602 INFO L93 Difference]: Finished difference Result 812 states and 1125 transitions. [2024-11-13 13:14:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-13 13:14:07,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:07,606 INFO L225 Difference]: With dead ends: 812 [2024-11-13 13:14:07,606 INFO L226 Difference]: Without dead ends: 418 [2024-11-13 13:14:07,607 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 13:14:07,608 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:07,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 307 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-13 13:14:07,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2024-11-13 13:14:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 406 states have (on average 1.4014778325123152) internal successors, (569), 409 states have internal predecessors, (569), 0 states have call successors, (0), 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 13:14:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 569 transitions. [2024-11-13 13:14:07,632 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 569 transitions. Word has length 99 [2024-11-13 13:14:07,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:07,632 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 569 transitions. [2024-11-13 13:14:07,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 569 transitions. [2024-11-13 13:14:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 13:14:07,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:07,636 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:07,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:14:07,636 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:07,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:07,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1362001229, now seen corresponding path program 1 times [2024-11-13 13:14:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:07,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742167413] [2024-11-13 13:14:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:14:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742167413] [2024-11-13 13:14:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742167413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:07,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:07,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:07,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923289570] [2024-11-13 13:14:07,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:07,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:07,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:07,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:07,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:07,764 INFO L87 Difference]: Start difference. First operand 410 states and 569 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:07,991 INFO L93 Difference]: Finished difference Result 831 states and 1151 transitions. [2024-11-13 13:14:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:07,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-13 13:14:07,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:07,995 INFO L225 Difference]: With dead ends: 831 [2024-11-13 13:14:07,995 INFO L226 Difference]: Without dead ends: 435 [2024-11-13 13:14:07,996 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 13:14:07,997 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:07,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:07,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-13 13:14:08,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-11-13 13:14:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 431 states have (on average 1.3897911832946637) internal successors, (599), 434 states have internal predecessors, (599), 0 states have call successors, (0), 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 13:14:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 599 transitions. [2024-11-13 13:14:08,018 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 599 transitions. Word has length 105 [2024-11-13 13:14:08,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:08,019 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 599 transitions. [2024-11-13 13:14:08,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 599 transitions. [2024-11-13 13:14:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 13:14:08,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:08,021 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:14:08,022 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:08,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1354942319, now seen corresponding path program 1 times [2024-11-13 13:14:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702279352] [2024-11-13 13:14:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-13 13:14:08,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:08,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702279352] [2024-11-13 13:14:08,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702279352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:08,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:08,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:08,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868903977] [2024-11-13 13:14:08,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:08,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:08,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:08,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:08,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:08,185 INFO L87 Difference]: Start difference. First operand 435 states and 599 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 13:14:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:08,427 INFO L93 Difference]: Finished difference Result 883 states and 1215 transitions. [2024-11-13 13:14:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:08,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 132 [2024-11-13 13:14:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:08,431 INFO L225 Difference]: With dead ends: 883 [2024-11-13 13:14:08,431 INFO L226 Difference]: Without dead ends: 462 [2024-11-13 13:14:08,432 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 13:14:08,433 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:08,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-13 13:14:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-13 13:14:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 458 states have (on average 1.3777292576419213) internal successors, (631), 461 states have internal predecessors, (631), 0 states have call successors, (0), 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 13:14:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 631 transitions. [2024-11-13 13:14:08,471 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 631 transitions. Word has length 132 [2024-11-13 13:14:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:08,471 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 631 transitions. [2024-11-13 13:14:08,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 13:14:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 631 transitions. [2024-11-13 13:14:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 13:14:08,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:08,474 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:14:08,475 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:08,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2097630846, now seen corresponding path program 1 times [2024-11-13 13:14:08,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012781895] [2024-11-13 13:14:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:08,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:08,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012781895] [2024-11-13 13:14:08,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012781895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:08,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:08,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:08,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681123910] [2024-11-13 13:14:08,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:08,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:08,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:08,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:08,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:08,611 INFO L87 Difference]: Start difference. First operand 462 states and 631 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:08,894 INFO L93 Difference]: Finished difference Result 949 states and 1295 transitions. [2024-11-13 13:14:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-13 13:14:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:08,899 INFO L225 Difference]: With dead ends: 949 [2024-11-13 13:14:08,899 INFO L226 Difference]: Without dead ends: 501 [2024-11-13 13:14:08,900 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 13:14:08,901 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:08,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 320 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-13 13:14:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 476. [2024-11-13 13:14:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 472 states have (on average 1.3771186440677967) internal successors, (650), 475 states have internal predecessors, (650), 0 states have call successors, (0), 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 13:14:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 650 transitions. [2024-11-13 13:14:08,925 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 650 transitions. Word has length 134 [2024-11-13 13:14:08,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:08,926 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 650 transitions. [2024-11-13 13:14:08,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 650 transitions. [2024-11-13 13:14:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-13 13:14:08,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:08,930 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:14:08,930 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:08,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,931 INFO L85 PathProgramCache]: Analyzing trace with hash 612996945, now seen corresponding path program 1 times [2024-11-13 13:14:08,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145114843] [2024-11-13 13:14:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145114843] [2024-11-13 13:14:09,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145114843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:09,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:09,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324301350] [2024-11-13 13:14:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:09,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:09,102 INFO L87 Difference]: Start difference. First operand 476 states and 650 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 13:14:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:09,362 INFO L93 Difference]: Finished difference Result 977 states and 1331 transitions. [2024-11-13 13:14:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:09,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 147 [2024-11-13 13:14:09,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:09,366 INFO L225 Difference]: With dead ends: 977 [2024-11-13 13:14:09,367 INFO L226 Difference]: Without dead ends: 515 [2024-11-13 13:14:09,368 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 13:14:09,369 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 36 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:09,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 420 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-13 13:14:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 497. [2024-11-13 13:14:09,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 493 states have (on average 1.3711967545638946) internal successors, (676), 496 states have internal predecessors, (676), 0 states have call successors, (0), 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 13:14:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 676 transitions. [2024-11-13 13:14:09,394 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 676 transitions. Word has length 147 [2024-11-13 13:14:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:09,395 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 676 transitions. [2024-11-13 13:14:09,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 13:14:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 676 transitions. [2024-11-13 13:14:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 13:14:09,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:09,399 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:09,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:14:09,400 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:09,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash 474637835, now seen corresponding path program 1 times [2024-11-13 13:14:09,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:09,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429371259] [2024-11-13 13:14:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:09,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:09,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429371259] [2024-11-13 13:14:09,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429371259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:14:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667554729] [2024-11-13 13:14:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:09,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:09,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:14:09,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:14:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:14:09,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:09,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:10,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667554729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:10,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:10,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-13 13:14:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653496754] [2024-11-13 13:14:10,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:10,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:14:10,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:10,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:14:10,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:10,127 INFO L87 Difference]: Start difference. First operand 497 states and 676 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 13:14:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:11,348 INFO L93 Difference]: Finished difference Result 2033 states and 2785 transitions. [2024-11-13 13:14:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:14:11,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 161 [2024-11-13 13:14:11,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:11,357 INFO L225 Difference]: With dead ends: 2033 [2024-11-13 13:14:11,358 INFO L226 Difference]: Without dead ends: 1515 [2024-11-13 13:14:11,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:14:11,360 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 723 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:11,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1155 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:14:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-13 13:14:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1298. [2024-11-13 13:14:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1294 states have (on average 1.3979907264296754) internal successors, (1809), 1297 states have internal predecessors, (1809), 0 states have call successors, (0), 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 13:14:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1809 transitions. [2024-11-13 13:14:11,425 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1809 transitions. Word has length 161 [2024-11-13 13:14:11,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:11,426 INFO L471 AbstractCegarLoop]: Abstraction has 1298 states and 1809 transitions. [2024-11-13 13:14:11,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 13:14:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1809 transitions. [2024-11-13 13:14:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 13:14:11,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:11,430 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:11,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:14:11,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:11,631 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 539143619, now seen corresponding path program 1 times [2024-11-13 13:14:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616814036] [2024-11-13 13:14:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:11,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:11,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:11,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616814036] [2024-11-13 13:14:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616814036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:14:11,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047625735] [2024-11-13 13:14:11,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:11,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:11,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:11,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:14:11,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:14:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:14:12,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:12,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 13:14:12,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047625735] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:12,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:12,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-13 13:14:12,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236064305] [2024-11-13 13:14:12,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:12,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:14:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:14:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:12,370 INFO L87 Difference]: Start difference. First operand 1298 states and 1809 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 13:14:13,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:13,606 INFO L93 Difference]: Finished difference Result 3692 states and 5059 transitions. [2024-11-13 13:14:13,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:14:13,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 163 [2024-11-13 13:14:13,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:13,621 INFO L225 Difference]: With dead ends: 3692 [2024-11-13 13:14:13,621 INFO L226 Difference]: Without dead ends: 2408 [2024-11-13 13:14:13,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:14:13,625 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 550 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:13,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1448 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:14:13,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2024-11-13 13:14:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2071. [2024-11-13 13:14:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 2067 states have (on average 1.3580067731011127) internal successors, (2807), 2070 states have internal predecessors, (2807), 0 states have call successors, (0), 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 13:14:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2807 transitions. [2024-11-13 13:14:13,752 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2807 transitions. Word has length 163 [2024-11-13 13:14:13,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:13,753 INFO L471 AbstractCegarLoop]: Abstraction has 2071 states and 2807 transitions. [2024-11-13 13:14:13,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 13:14:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2807 transitions. [2024-11-13 13:14:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 13:14:13,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:13,758 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:13,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:14:13,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:13,964 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:13,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:13,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1260336762, now seen corresponding path program 1 times [2024-11-13 13:14:13,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:13,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109064399] [2024-11-13 13:14:13,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:13,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 13:14:14,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:14,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109064399] [2024-11-13 13:14:14,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109064399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:14,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:14,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378571882] [2024-11-13 13:14:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:14,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:14,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:14,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:14,124 INFO L87 Difference]: Start difference. First operand 2071 states and 2807 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 13:14:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:14,283 INFO L93 Difference]: Finished difference Result 5394 states and 7310 transitions. [2024-11-13 13:14:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:14,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 170 [2024-11-13 13:14:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:14,301 INFO L225 Difference]: With dead ends: 5394 [2024-11-13 13:14:14,302 INFO L226 Difference]: Without dead ends: 3337 [2024-11-13 13:14:14,305 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 13:14:14,308 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 175 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:14,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 675 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:14:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2024-11-13 13:14:14,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3009. [2024-11-13 13:14:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 3005 states have (on average 1.3663893510815308) internal successors, (4106), 3008 states have internal predecessors, (4106), 0 states have call successors, (0), 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 13:14:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4106 transitions. [2024-11-13 13:14:14,492 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4106 transitions. Word has length 170 [2024-11-13 13:14:14,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:14,492 INFO L471 AbstractCegarLoop]: Abstraction has 3009 states and 4106 transitions. [2024-11-13 13:14:14,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 13:14:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4106 transitions. [2024-11-13 13:14:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 13:14:14,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:14,497 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:14:14,498 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:14,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1890281394, now seen corresponding path program 1 times [2024-11-13 13:14:14,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843899177] [2024-11-13 13:14:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 13:14:14,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843899177] [2024-11-13 13:14:14,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843899177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:14,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:14,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:14,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502728063] [2024-11-13 13:14:14,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:14,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:14,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:14,653 INFO L87 Difference]: Start difference. First operand 3009 states and 4106 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:15,012 INFO L93 Difference]: Finished difference Result 5523 states and 7487 transitions. [2024-11-13 13:14:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:15,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2024-11-13 13:14:15,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:15,029 INFO L225 Difference]: With dead ends: 5523 [2024-11-13 13:14:15,029 INFO L226 Difference]: Without dead ends: 2528 [2024-11-13 13:14:15,034 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 13:14:15,035 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:15,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 401 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:15,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2024-11-13 13:14:15,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 1731. [2024-11-13 13:14:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1729 states have (on average 1.3302486986697513) internal successors, (2300), 1730 states have internal predecessors, (2300), 0 states have call successors, (0), 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 13:14:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2300 transitions. [2024-11-13 13:14:15,142 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2300 transitions. Word has length 172 [2024-11-13 13:14:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:15,143 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2300 transitions. [2024-11-13 13:14:15,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2300 transitions. [2024-11-13 13:14:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-13 13:14:15,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:15,149 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:15,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:14:15,149 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:15,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:15,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1316221290, now seen corresponding path program 1 times [2024-11-13 13:14:15,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:15,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100297757] [2024-11-13 13:14:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-13 13:14:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100297757] [2024-11-13 13:14:15,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100297757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:15,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:15,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067773095] [2024-11-13 13:14:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:15,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:15,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:15,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:15,367 INFO L87 Difference]: Start difference. First operand 1731 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 13:14:15,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:15,695 INFO L93 Difference]: Finished difference Result 3431 states and 4554 transitions. [2024-11-13 13:14:15,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:15,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 206 [2024-11-13 13:14:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:15,705 INFO L225 Difference]: With dead ends: 3431 [2024-11-13 13:14:15,705 INFO L226 Difference]: Without dead ends: 1714 [2024-11-13 13:14:15,708 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 13:14:15,709 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 62 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:15,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 349 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:14:15,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-13 13:14:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1707. [2024-11-13 13:14:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1705 states have (on average 1.3143695014662757) internal successors, (2241), 1706 states have internal predecessors, (2241), 0 states have call successors, (0), 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 13:14:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2241 transitions. [2024-11-13 13:14:15,802 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2241 transitions. Word has length 206 [2024-11-13 13:14:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:15,803 INFO L471 AbstractCegarLoop]: Abstraction has 1707 states and 2241 transitions. [2024-11-13 13:14:15,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 13:14:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2241 transitions. [2024-11-13 13:14:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-13 13:14:15,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:15,808 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:15,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:14:15,809 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:15,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:15,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1080877560, now seen corresponding path program 1 times [2024-11-13 13:14:15,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:15,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733418890] [2024-11-13 13:14:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:15,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-13 13:14:16,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:16,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733418890] [2024-11-13 13:14:16,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733418890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:16,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:16,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:16,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594054785] [2024-11-13 13:14:16,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:16,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:16,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:16,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:16,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:16,017 INFO L87 Difference]: Start difference. First operand 1707 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 13:14:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:16,312 INFO L93 Difference]: Finished difference Result 2940 states and 3812 transitions. [2024-11-13 13:14:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:16,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 208 [2024-11-13 13:14:16,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:16,316 INFO L225 Difference]: With dead ends: 2940 [2024-11-13 13:14:16,318 INFO L226 Difference]: Without dead ends: 760 [2024-11-13 13:14:16,320 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 13:14:16,322 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 28 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:16,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 402 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-13 13:14:16,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2024-11-13 13:14:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 746 states have (on average 1.2989276139410189) internal successors, (969), 747 states have internal predecessors, (969), 0 states have call successors, (0), 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 13:14:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 969 transitions. [2024-11-13 13:14:16,356 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 969 transitions. Word has length 208 [2024-11-13 13:14:16,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:16,356 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 969 transitions. [2024-11-13 13:14:16,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 13:14:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 969 transitions. [2024-11-13 13:14:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-13 13:14:16,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:16,362 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:16,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:14:16,362 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:16,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2079997050, now seen corresponding path program 1 times [2024-11-13 13:14:16,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:16,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810428684] [2024-11-13 13:14:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:16,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-13 13:14:16,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:16,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810428684] [2024-11-13 13:14:16,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810428684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:16,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:16,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:16,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403982458] [2024-11-13 13:14:16,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:16,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:16,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:16,599 INFO L87 Difference]: Start difference. First operand 748 states and 969 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 13:14:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:16,879 INFO L93 Difference]: Finished difference Result 1584 states and 2042 transitions. [2024-11-13 13:14:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:16,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 306 [2024-11-13 13:14:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:16,888 INFO L225 Difference]: With dead ends: 1584 [2024-11-13 13:14:16,889 INFO L226 Difference]: Without dead ends: 850 [2024-11-13 13:14:16,890 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 13:14:16,892 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:16,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-13 13:14:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2024-11-13 13:14:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 848 states have (on average 1.2806603773584906) internal successors, (1086), 849 states have internal predecessors, (1086), 0 states have call successors, (0), 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 13:14:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1086 transitions. [2024-11-13 13:14:16,944 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1086 transitions. Word has length 306 [2024-11-13 13:14:16,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:16,945 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1086 transitions. [2024-11-13 13:14:16,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 13:14:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1086 transitions. [2024-11-13 13:14:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-13 13:14:16,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:16,954 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:16,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:14:16,954 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:16,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash 760914063, now seen corresponding path program 1 times [2024-11-13 13:14:16,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:16,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440209366] [2024-11-13 13:14:16,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:16,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-13 13:14:17,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:17,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440209366] [2024-11-13 13:14:17,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440209366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:17,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:17,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:17,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749358070] [2024-11-13 13:14:17,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:17,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:17,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:17,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:17,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:17,206 INFO L87 Difference]: Start difference. First operand 850 states and 1086 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 13:14:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:17,487 INFO L93 Difference]: Finished difference Result 1794 states and 2288 transitions. [2024-11-13 13:14:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:17,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 337 [2024-11-13 13:14:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:17,498 INFO L225 Difference]: With dead ends: 1794 [2024-11-13 13:14:17,500 INFO L226 Difference]: Without dead ends: 958 [2024-11-13 13:14:17,502 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 13:14:17,504 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:17,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:17,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-13 13:14:17,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2024-11-13 13:14:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 956 states have (on average 1.2646443514644352) internal successors, (1209), 957 states have internal predecessors, (1209), 0 states have call successors, (0), 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 13:14:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1209 transitions. [2024-11-13 13:14:17,563 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1209 transitions. Word has length 337 [2024-11-13 13:14:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:17,566 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1209 transitions. [2024-11-13 13:14:17,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 13:14:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1209 transitions. [2024-11-13 13:14:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-13 13:14:17,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:17,578 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:17,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:14:17,579 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:17,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:17,580 INFO L85 PathProgramCache]: Analyzing trace with hash 487224363, now seen corresponding path program 1 times [2024-11-13 13:14:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:17,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524802380] [2024-11-13 13:14:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-11-13 13:14:17,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:17,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524802380] [2024-11-13 13:14:17,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524802380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:17,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:17,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:17,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336598538] [2024-11-13 13:14:17,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:17,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:17,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:17,824 INFO L87 Difference]: Start difference. First operand 958 states and 1209 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 13:14:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:18,100 INFO L93 Difference]: Finished difference Result 1901 states and 2394 transitions. [2024-11-13 13:14:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:18,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 370 [2024-11-13 13:14:18,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:18,139 INFO L225 Difference]: With dead ends: 1901 [2024-11-13 13:14:18,140 INFO L226 Difference]: Without dead ends: 957 [2024-11-13 13:14:18,141 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 13:14:18,144 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:18,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 387 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:18,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-13 13:14:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 733. [2024-11-13 13:14:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 731 states have (on average 1.277701778385773) internal successors, (934), 732 states have internal predecessors, (934), 0 states have call successors, (0), 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 13:14:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 934 transitions. [2024-11-13 13:14:18,192 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 934 transitions. Word has length 370 [2024-11-13 13:14:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:18,193 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 934 transitions. [2024-11-13 13:14:18,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 13:14:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 934 transitions. [2024-11-13 13:14:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-13 13:14:18,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:18,205 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:18,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:14:18,206 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:18,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:18,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1225374435, now seen corresponding path program 1 times [2024-11-13 13:14:18,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:18,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148766443] [2024-11-13 13:14:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2024-11-13 13:14:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:18,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148766443] [2024-11-13 13:14:18,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148766443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:18,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:18,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:18,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613910384] [2024-11-13 13:14:18,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:18,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:18,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:18,642 INFO L87 Difference]: Start difference. First operand 733 states and 934 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 13:14:18,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:18,723 INFO L93 Difference]: Finished difference Result 1884 states and 2377 transitions. [2024-11-13 13:14:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:18,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 408 [2024-11-13 13:14:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:18,732 INFO L225 Difference]: With dead ends: 1884 [2024-11-13 13:14:18,732 INFO L226 Difference]: Without dead ends: 1165 [2024-11-13 13:14:18,747 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 13:14:18,750 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 94 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:18,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:14:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2024-11-13 13:14:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1165. [2024-11-13 13:14:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 1163 states have (on average 1.2562338779019777) internal successors, (1461), 1164 states have internal predecessors, (1461), 0 states have call successors, (0), 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 13:14:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1461 transitions. [2024-11-13 13:14:18,818 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1461 transitions. Word has length 408 [2024-11-13 13:14:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:18,819 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1461 transitions. [2024-11-13 13:14:18,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 13:14:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1461 transitions. [2024-11-13 13:14:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-13 13:14:18,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:18,832 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:18,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:14:18,833 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 13:14:18,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:18,834 INFO L85 PathProgramCache]: Analyzing trace with hash -936555045, now seen corresponding path program 1 times [2024-11-13 13:14:18,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:18,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882755480] [2024-11-13 13:14:18,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:18,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-13 13:14:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882755480] [2024-11-13 13:14:19,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882755480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:14:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419785806] [2024-11-13 13:14:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:19,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:14:19,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:14:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:14:19,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-13 13:14:19,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-13 13:14:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419785806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:20,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:20,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-13 13:14:20,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557050228] [2024-11-13 13:14:20,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:20,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:14:20,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:20,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:14:20,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:14:20,015 INFO L87 Difference]: Start difference. First operand 1165 states and 1461 transitions. Second operand has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 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 13:14:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:20,561 INFO L93 Difference]: Finished difference Result 2181 states and 2712 transitions. [2024-11-13 13:14:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:20,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 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 408 [2024-11-13 13:14:20,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:20,565 INFO L225 Difference]: With dead ends: 2181 [2024-11-13 13:14:20,565 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:14:20,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:14:20,569 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 57 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:20,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1101 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:20,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:14:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:14:20,571 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 13:14:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:14:20,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-13 13:14:20,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:20,572 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:14:20,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 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 13:14:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:14:20,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:14:20,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-13 13:14:20,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-13 13:14:20,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-13 13:14:20,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-13 13:14:20,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:14:20,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 13:14:20,784 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:20,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:14:23,063 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:14:23,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:14:23 BoogieIcfgContainer [2024-11-13 13:14:23,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:14:23,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:14:23,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:14:23,108 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:14:23,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:01" (3/4) ... [2024-11-13 13:14:23,115 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:14:23,150 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 13:14:23,155 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 13:14:23,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:14:23,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:14:23,409 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:14:23,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:14:23,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:14:23,413 INFO L158 Benchmark]: Toolchain (without parser) took 23887.65ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.4MB in the beginning and 81.6MB in the end (delta: 10.8MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,414 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:23,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.52ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.44ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:23,415 INFO L158 Benchmark]: Boogie Preprocessor took 90.20ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 70.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,415 INFO L158 Benchmark]: RCFGBuilder took 1413.88ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 82.8MB in the end (delta: -12.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,416 INFO L158 Benchmark]: TraceAbstraction took 21379.05ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 82.2MB in the beginning and 92.1MB in the end (delta: -9.9MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,416 INFO L158 Benchmark]: Witness Printer took 303.35ms. Allocated memory is still 218.1MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:23,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.52ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.44ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.20ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 70.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1413.88ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 82.8MB in the end (delta: -12.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 21379.05ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 82.2MB in the beginning and 92.1MB in the end (delta: -9.9MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Witness Printer took 303.35ms. Allocated memory is still 218.1MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.5MB). 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: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: 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, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 25, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2413 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2413 mSDsluCounter, 12425 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6029 mSDsCounter, 426 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3950 IncrementalHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 426 mSolverCounterUnsat, 6396 mSDtfsCounter, 3950 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1554 GetRequests, 1509 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3009occurred in iteration=17, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 2030 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 4679 NumberOfCodeBlocks, 4679 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5380 ConstructedInterpolants, 0 QuantifiedInterpolants, 7406 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1327 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 14272/14329 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 4 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((s__state == 8528) || ((s__s3__tmp__next_state___0 <= 8576) && (s__state == 8640))) || (8496 == s__state)) || ((8576 == s__s3__tmp__next_state___0) && (8576 == s__state))) || ((s__state == 8592) && (s__s3__tmp__next_state___0 <= 8576))) || (8560 == s__state)) || ((s__state == 8608) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 12291) && (8576 <= s__s3__tmp__next_state___0)) && (0 != s__hit)) && (8576 <= s__state)) && (s__s3__tmp__next_state___0 <= 12291))) || (((8576 == s__s3__tmp__next_state___0) && (s__state <= 8466)) && (8448 <= s__state))) || (s__state == 8512)) || ((s__state == 3) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 8466) && (8576 <= s__s3__tmp__next_state___0)) && (8448 <= s__state)) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || (8464 == s__state)) || ((3 == s__s3__tmp__next_state___0) && (8448 == s__state))) || (((s__state == 3) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || ((8656 <= s__state) && (s__state <= 8672))) || (8544 == s__state)) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:14:23,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33df78-0f61-430f-9330-eb1c4ec9a7f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE