./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:42:02,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:42:02,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:42:02,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:42:02,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:42:02,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:42:02,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:42:02,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:42:02,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:42:02,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:42:02,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:42:02,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:42:02,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:42:02,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:42:02,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:42:02,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:42:02,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:42:02,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:42:02,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:42:02,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:42:02,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:42:02,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:42:02,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:42:02,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:42:02,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:42:02,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:42:02,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:42:02,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:42:02,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:42:02,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:02,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:42:02,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:42:02,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:42:02,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:42:02,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:42:02,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:42:02,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:42:02,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:42:02,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:42:02,360 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-17 04:42:02,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:42:02,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:42:02,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:42:02,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:42:02,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:42:02,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-17 04:42:03,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:42:03,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:42:03,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-17 04:42:03,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab35b345e/7ab09e830e2e40c4bbea65786aed44f1/FLAGae870cade [2024-11-17 04:42:04,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab35b345e/7ab09e830e2e40c4bbea65786aed44f1 [2024-11-17 04:42:04,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:42:04,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:42:04,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:04,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:42:04,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:42:04,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d60968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04, skipping insertion in model container [2024-11-17 04:42:04,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:42:04,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:04,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:42:04,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:04,577 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:42:04,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04 WrapperNode [2024-11-17 04:42:04,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:04,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:04,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:42:04,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:42:04,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,616 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-11-17 04:42:04,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:04,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:42:04,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:42:04,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:42:04,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,633 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-17 04:42:04,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,635 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:42:04,639 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:42:04,639 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:42:04,639 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:42:04,639 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (1/1) ... [2024-11-17 04:42:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:04,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:04,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:42:04,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:42:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 04:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:42:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:42:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:42:04,761 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:42:04,763 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:42:04,936 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-17 04:42:04,936 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:42:04,950 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:42:04,950 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:42:04,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:04 BoogieIcfgContainer [2024-11-17 04:42:04,953 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:42:04,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:42:04,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:42:04,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:42:04,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:42:04" (1/3) ... [2024-11-17 04:42:04,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1249a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:04, skipping insertion in model container [2024-11-17 04:42:04,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:04" (2/3) ... [2024-11-17 04:42:04,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1249a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:04, skipping insertion in model container [2024-11-17 04:42:04,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:04" (3/3) ... [2024-11-17 04:42:04,963 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound2.c [2024-11-17 04:42:04,975 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:42:04,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 04:42:05,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:42:05,041 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;@3adbb337, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:42:05,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 04:42:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.53125) internal successors, (49), 38 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:42:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 04:42:05,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:05,052 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:05,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:05,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:05,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1293777676, now seen corresponding path program 1 times [2024-11-17 04:42:05,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285696925] [2024-11-17 04:42:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:05,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:05,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:05,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285696925] [2024-11-17 04:42:05,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285696925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:05,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:05,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:05,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898930491] [2024-11-17 04:42:05,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:05,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:42:05,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:05,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:42:05,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:05,262 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.53125) internal successors, (49), 38 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:42:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:05,282 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2024-11-17 04:42:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:42:05,284 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-17 04:42:05,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:05,289 INFO L225 Difference]: With dead ends: 96 [2024-11-17 04:42:05,290 INFO L226 Difference]: Without dead ends: 42 [2024-11-17 04:42:05,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:05,297 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:05,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-17 04:42:05,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-17 04:42:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:42:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-17 04:42:05,399 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-17 04:42:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:05,401 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-17 04:42:05,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:42:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-17 04:42:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 04:42:05,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:05,402 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:05,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:42:05,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:05,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:05,403 INFO L85 PathProgramCache]: Analyzing trace with hash 933684148, now seen corresponding path program 1 times [2024-11-17 04:42:05,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:05,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575174563] [2024-11-17 04:42:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:05,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:05,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:05,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575174563] [2024-11-17 04:42:05,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575174563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:05,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:05,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:05,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120522208] [2024-11-17 04:42:05,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:05,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:05,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:05,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:05,599 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:42:05,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:05,668 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-11-17 04:42:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:05,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-17 04:42:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:05,669 INFO L225 Difference]: With dead ends: 49 [2024-11-17 04:42:05,669 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 04:42:05,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:05,671 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:05,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 119 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:05,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 04:42:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-17 04:42:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 35 states have internal predecessors, (40), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:42:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-17 04:42:05,680 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 25 [2024-11-17 04:42:05,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:05,682 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-17 04:42:05,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:42:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-17 04:42:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:42:05,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:05,683 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:05,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:42:05,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:05,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:05,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1085066076, now seen corresponding path program 1 times [2024-11-17 04:42:05,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:05,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612003267] [2024-11-17 04:42:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:05,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:05,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612003267] [2024-11-17 04:42:05,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612003267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:05,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:05,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:42:05,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836199059] [2024-11-17 04:42:05,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:05,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:42:05,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:05,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:42:05,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:42:05,881 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:42:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:06,023 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2024-11-17 04:42:06,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:06,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-17 04:42:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:06,025 INFO L225 Difference]: With dead ends: 68 [2024-11-17 04:42:06,025 INFO L226 Difference]: Without dead ends: 67 [2024-11-17 04:42:06,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:06,026 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:06,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 164 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-17 04:42:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2024-11-17 04:42:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:42:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2024-11-17 04:42:06,037 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 36 [2024-11-17 04:42:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:06,037 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-11-17 04:42:06,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:42:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-11-17 04:42:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:42:06,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:06,038 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:06,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:42:06,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:06,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:06,039 INFO L85 PathProgramCache]: Analyzing trace with hash 722690009, now seen corresponding path program 1 times [2024-11-17 04:42:06,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416667126] [2024-11-17 04:42:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:06,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:06,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416667126] [2024-11-17 04:42:06,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416667126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:06,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:06,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:42:06,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582056864] [2024-11-17 04:42:06,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:06,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:42:06,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:06,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:42:06,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:42:06,157 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:42:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:06,242 INFO L93 Difference]: Finished difference Result 100 states and 120 transitions. [2024-11-17 04:42:06,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:42:06,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-11-17 04:42:06,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:06,244 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:42:06,244 INFO L226 Difference]: Without dead ends: 69 [2024-11-17 04:42:06,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:06,247 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:06,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 150 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:06,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-17 04:42:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-17 04:42:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.26) internal successors, (63), 55 states have internal predecessors, (63), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:42:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2024-11-17 04:42:06,261 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 37 [2024-11-17 04:42:06,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:06,261 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2024-11-17 04:42:06,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:42:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2024-11-17 04:42:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:42:06,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:06,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:06,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:42:06,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:06,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2101187166, now seen corresponding path program 1 times [2024-11-17 04:42:06,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:06,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812075152] [2024-11-17 04:42:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:06,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812075152] [2024-11-17 04:42:06,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812075152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:06,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:06,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 04:42:06,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675124218] [2024-11-17 04:42:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:06,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:06,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:06,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:06,425 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:06,586 INFO L93 Difference]: Finished difference Result 113 states and 132 transitions. [2024-11-17 04:42:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:42:06,586 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 47 [2024-11-17 04:42:06,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:06,587 INFO L225 Difference]: With dead ends: 113 [2024-11-17 04:42:06,591 INFO L226 Difference]: Without dead ends: 82 [2024-11-17 04:42:06,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:42:06,592 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 54 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:06,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 223 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-17 04:42:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2024-11-17 04:42:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 60 states have internal predecessors, (69), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:42:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2024-11-17 04:42:06,604 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 47 [2024-11-17 04:42:06,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:06,605 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2024-11-17 04:42:06,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2024-11-17 04:42:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:42:06,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:06,606 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:06,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:42:06,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:06,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:06,607 INFO L85 PathProgramCache]: Analyzing trace with hash 712292689, now seen corresponding path program 1 times [2024-11-17 04:42:06,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:06,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462359556] [2024-11-17 04:42:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:06,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:06,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462359556] [2024-11-17 04:42:06,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462359556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:06,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:06,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 04:42:06,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318689737] [2024-11-17 04:42:06,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:06,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:06,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:06,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:06,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:06,743 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:06,845 INFO L93 Difference]: Finished difference Result 91 states and 105 transitions. [2024-11-17 04:42:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:42:06,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 48 [2024-11-17 04:42:06,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:06,847 INFO L225 Difference]: With dead ends: 91 [2024-11-17 04:42:06,848 INFO L226 Difference]: Without dead ends: 90 [2024-11-17 04:42:06,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:42:06,849 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:06,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 192 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-17 04:42:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2024-11-17 04:42:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 67 states have internal predecessors, (77), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:42:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2024-11-17 04:42:06,860 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 48 [2024-11-17 04:42:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:06,861 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2024-11-17 04:42:06,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2024-11-17 04:42:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:42:06,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:06,862 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:06,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:42:06,862 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:06,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash 712366173, now seen corresponding path program 1 times [2024-11-17 04:42:06,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:06,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013946193] [2024-11-17 04:42:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:06,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:07,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:07,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013946193] [2024-11-17 04:42:07,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013946193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:07,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173660091] [2024-11-17 04:42:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:07,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:07,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:07,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:42:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:07,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:07,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173660091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:07,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2024-11-17 04:42:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930996188] [2024-11-17 04:42:07,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:07,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:42:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:42:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:42:07,278 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:07,626 INFO L93 Difference]: Finished difference Result 197 states and 232 transitions. [2024-11-17 04:42:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 04:42:07,626 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 48 [2024-11-17 04:42:07,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:07,628 INFO L225 Difference]: With dead ends: 197 [2024-11-17 04:42:07,628 INFO L226 Difference]: Without dead ends: 196 [2024-11-17 04:42:07,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:42:07,629 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 149 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:07,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 240 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-17 04:42:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2024-11-17 04:42:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 125 states have (on average 1.248) internal successors, (156), 130 states have internal predecessors, (156), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 04:42:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 188 transitions. [2024-11-17 04:42:07,648 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 188 transitions. Word has length 48 [2024-11-17 04:42:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:07,649 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 188 transitions. [2024-11-17 04:42:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 188 transitions. [2024-11-17 04:42:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:42:07,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:07,654 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:07,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:42:07,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:07,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:07,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:07,856 INFO L85 PathProgramCache]: Analyzing trace with hash 64827565, now seen corresponding path program 1 times [2024-11-17 04:42:07,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:07,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337627408] [2024-11-17 04:42:07,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:07,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337627408] [2024-11-17 04:42:07,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337627408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:07,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:07,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:42:07,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822406615] [2024-11-17 04:42:07,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:07,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:07,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:07,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:07,946 INFO L87 Difference]: Start difference. First operand 159 states and 188 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:42:07,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:07,999 INFO L93 Difference]: Finished difference Result 167 states and 195 transitions. [2024-11-17 04:42:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:07,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2024-11-17 04:42:08,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:08,001 INFO L225 Difference]: With dead ends: 167 [2024-11-17 04:42:08,002 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:42:08,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:42:08,004 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:08,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 140 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:42:08,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-17 04:42:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 74 states have (on average 1.1486486486486487) internal successors, (85), 76 states have internal predecessors, (85), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:42:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2024-11-17 04:42:08,017 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 52 [2024-11-17 04:42:08,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:08,019 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2024-11-17 04:42:08,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:42:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2024-11-17 04:42:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:42:08,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:08,020 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:08,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:42:08,021 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:08,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2009654524, now seen corresponding path program 1 times [2024-11-17 04:42:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940811857] [2024-11-17 04:42:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:08,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:08,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940811857] [2024-11-17 04:42:08,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940811857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:08,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530629716] [2024-11-17 04:42:08,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:08,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:08,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:42:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:42:08,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:08,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:08,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530629716] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:08,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:08,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 22 [2024-11-17 04:42:08,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757928391] [2024-11-17 04:42:08,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:08,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:08,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:08,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:08,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:42:08,417 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:08,559 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2024-11-17 04:42:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:42:08,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2024-11-17 04:42:08,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:08,561 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:42:08,561 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 04:42:08,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:42:08,562 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 42 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:08,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 153 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:08,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 04:42:08,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-17 04:42:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 73 states have internal predecessors, (81), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:42:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2024-11-17 04:42:08,568 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 53 [2024-11-17 04:42:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:08,569 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2024-11-17 04:42:08,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:42:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2024-11-17 04:42:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:42:08,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:08,577 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:08,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-17 04:42:08,778 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:08,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1273532118, now seen corresponding path program 1 times [2024-11-17 04:42:08,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466145357] [2024-11-17 04:42:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:08,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:08,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:08,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466145357] [2024-11-17 04:42:08,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466145357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:08,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188448232] [2024-11-17 04:42:08,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:08,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:08,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:08,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:08,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:42:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:08,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:42:08,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:09,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:09,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188448232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:09,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:09,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2024-11-17 04:42:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760165147] [2024-11-17 04:42:09,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:09,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:42:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:42:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:42:09,141 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:09,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:09,579 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2024-11-17 04:42:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:42:09,580 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 53 [2024-11-17 04:42:09,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:09,581 INFO L225 Difference]: With dead ends: 131 [2024-11-17 04:42:09,581 INFO L226 Difference]: Without dead ends: 130 [2024-11-17 04:42:09,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=339, Invalid=1301, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:42:09,582 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 134 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:09,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 255 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-17 04:42:09,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 102. [2024-11-17 04:42:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.15) internal successors, (92), 82 states have internal predecessors, (92), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2024-11-17 04:42:09,588 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 53 [2024-11-17 04:42:09,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:09,588 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2024-11-17 04:42:09,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2024-11-17 04:42:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:42:09,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:09,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:42:09,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:42:09,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:09,790 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:09,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1587103081, now seen corresponding path program 1 times [2024-11-17 04:42:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151376154] [2024-11-17 04:42:09,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:09,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:09,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151376154] [2024-11-17 04:42:09,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151376154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:09,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869543478] [2024-11-17 04:42:09,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:09,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:09,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:09,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:09,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:42:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:09,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:42:09,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:42:10,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:10,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869543478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:10,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:10,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 26 [2024-11-17 04:42:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455733868] [2024-11-17 04:42:10,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:10,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-17 04:42:10,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:10,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-17 04:42:10,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:42:10,209 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand has 27 states, 26 states have (on average 3.3076923076923075) internal successors, (86), 27 states have internal predecessors, (86), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:10,636 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2024-11-17 04:42:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 04:42:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.3076923076923075) internal successors, (86), 27 states have internal predecessors, (86), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 58 [2024-11-17 04:42:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:10,638 INFO L225 Difference]: With dead ends: 133 [2024-11-17 04:42:10,638 INFO L226 Difference]: Without dead ends: 104 [2024-11-17 04:42:10,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=439, Invalid=1817, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:42:10,639 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 172 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:10,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 224 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-17 04:42:10,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2024-11-17 04:42:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.051948051948052) internal successors, (81), 79 states have internal predecessors, (81), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2024-11-17 04:42:10,645 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 58 [2024-11-17 04:42:10,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:10,645 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2024-11-17 04:42:10,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.3076923076923075) internal successors, (86), 27 states have internal predecessors, (86), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:42:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2024-11-17 04:42:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-17 04:42:10,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:10,646 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:10,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:42:10,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:10,851 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:42:10,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1445098147, now seen corresponding path program 2 times [2024-11-17 04:42:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:10,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539728599] [2024-11-17 04:42:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:42:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:42:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:42:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-17 04:42:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:42:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:42:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 04:42:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-17 04:42:10,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539728599] [2024-11-17 04:42:10,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539728599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916244426] [2024-11-17 04:42:10,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:42:10,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:10,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:10,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:10,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:42:11,011 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:42:11,011 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:42:11,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:42:11,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:42:11,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-17 04:42:11,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916244426] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:11,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:11,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 13 [2024-11-17 04:42:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043487774] [2024-11-17 04:42:11,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:11,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:42:11,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:11,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:42:11,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:42:11,192 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 7 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:42:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:11,321 INFO L93 Difference]: Finished difference Result 99 states and 103 transitions. [2024-11-17 04:42:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:42:11,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 7 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 92 [2024-11-17 04:42:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:11,322 INFO L225 Difference]: With dead ends: 99 [2024-11-17 04:42:11,322 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:42:11,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 192 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:42:11,324 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 29 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:11,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 155 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:42:11,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:42:11,324 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) [2024-11-17 04:42:11,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:42:11,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2024-11-17 04:42:11,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:11,325 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:42:11,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 7 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:42:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:42:11,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:42:11,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-17 04:42:11,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-17 04:42:11,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-17 04:42:11,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-17 04:42:11,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-17 04:42:11,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-17 04:42:11,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:11,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 04:42:11,531 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:11,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:42:11,625 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:42:11,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:42:11 BoogieIcfgContainer [2024-11-17 04:42:11,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:42:11,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:42:11,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:42:11,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:42:11,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:04" (3/4) ... [2024-11-17 04:42:11,642 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:42:11,645 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-17 04:42:11,645 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:42:11,648 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-17 04:42:11,648 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-17 04:42:11,648 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:42:11,649 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:42:11,649 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:42:11,723 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:42:11,723 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:42:11,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:42:11,724 INFO L158 Benchmark]: Toolchain (without parser) took 7360.40ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 115.1MB in the beginning and 176.2MB in the end (delta: -61.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:42:11,724 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:42:11,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 184.5MB. Free memory was 114.9MB in the beginning and 102.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:42:11,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.47ms. Allocated memory is still 184.5MB. Free memory was 102.2MB in the beginning and 155.2MB in the end (delta: -53.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-17 04:42:11,724 INFO L158 Benchmark]: Boogie Preprocessor took 21.58ms. Allocated memory is still 184.5MB. Free memory was 155.2MB in the beginning and 154.2MB in the end (delta: 961.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:42:11,725 INFO L158 Benchmark]: IcfgBuilder took 314.01ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 139.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 04:42:11,725 INFO L158 Benchmark]: TraceAbstraction took 6685.44ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 138.4MB in the beginning and 181.4MB in the end (delta: -43.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-17 04:42:11,725 INFO L158 Benchmark]: Witness Printer took 83.35ms. Allocated memory is still 237.0MB. Free memory was 181.4MB in the beginning and 176.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:42:11,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 184.5MB. Free memory was 114.9MB in the beginning and 102.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.47ms. Allocated memory is still 184.5MB. Free memory was 102.2MB in the beginning and 155.2MB in the end (delta: -53.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.58ms. Allocated memory is still 184.5MB. Free memory was 155.2MB in the beginning and 154.2MB in the end (delta: 961.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 314.01ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 139.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6685.44ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 138.4MB in the beginning and 181.4MB in the end (delta: -43.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 83.35ms. Allocated memory is still 237.0MB. Free memory was 181.4MB in the beginning and 176.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: 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 3 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 699 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 699 mSDsluCounter, 2076 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1633 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1433 IncrementalHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 443 mSDtfsCounter, 1433 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 895 GetRequests, 690 SyntacticMatches, 5 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=7, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 94 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1160 ConstructedInterpolants, 0 QuantifiedInterpolants, 2144 SizeOfPredicates, 25 NumberOfNonLiveVariables, 728 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 22 InterpolantComputations, 8 PerfectInterpolantSequences, 1013/1082 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 6 specifications checked. All of them hold - InvariantResult [Line: 44]: Location Invariant Derived location invariant: null - InvariantResult [Line: 39]: Location Invariant Derived location invariant: ((2 <= counter) && (counter <= 2147483645)) - InvariantResult [Line: 39]: Location Invariant Derived location invariant: (((counter <= 2147483646) && (3 <= counter)) || (counter == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: ((counter == 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:42:11,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE