./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/ps2-ll_valuebound20.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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:03:40,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:03:41,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:03:41,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:03:41,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:03:41,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:03:41,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:03:41,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:03:41,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:03:41,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:03:41,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:03:41,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:03:41,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:03:41,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:03:41,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:03:41,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:03:41,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:03:41,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:03:41,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:03:41,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:03:41,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:03:41,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:03:41,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:03:41,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:03:41,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:03:41,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:03:41,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:03:41,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:03:41,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:03:41,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:03:41,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:03:41,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:03:41,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:03:41,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:03:41,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:03:41,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:03:41,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:03:41,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:03:41,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:03:41,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-11-09 12:03:41,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:03:41,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:03:41,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:03:41,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:03:41,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:03:41,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-09 12:03:42,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:03:42,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:03:42,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-09 12:03:42,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5049c4/b12606d69289440e979330bed2bca5d7/FLAGc1807edcb [2024-11-09 12:03:43,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5049c4/b12606d69289440e979330bed2bca5d7 [2024-11-09 12:03:43,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:03:43,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:03:43,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:03:43,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:03:43,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:03:43,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f593b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43, skipping insertion in model container [2024-11-09 12:03:43,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:03:43,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:03:43,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:03:43,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:03:43,583 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:03:43,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43 WrapperNode [2024-11-09 12:03:43,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:03:43,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:03:43,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:03:43,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:03:43,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,625 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-09 12:03:43,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:03:43,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:03:43,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:03:43,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:03:43,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,667 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:03:43,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:03:43,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:03:43,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:03:43,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:03:43,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (1/1) ... [2024-11-09 12:03:43,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:03:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:43,740 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) [2024-11-09 12:03:43,752 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 [2024-11-09 12:03:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:03:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:03:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:03:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:03:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:03:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:03:43,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:03:43,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:03:44,065 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 12:03:44,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:03:44,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:03:44,079 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:03:44,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:44 BoogieIcfgContainer [2024-11-09 12:03:44,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:03:44,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:03:44,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:03:44,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:03:44,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:03:43" (1/3) ... [2024-11-09 12:03:44,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a12d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:03:44, skipping insertion in model container [2024-11-09 12:03:44,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:43" (2/3) ... [2024-11-09 12:03:44,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a12d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:03:44, skipping insertion in model container [2024-11-09 12:03:44,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:44" (3/3) ... [2024-11-09 12:03:44,087 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound20.c [2024-11-09 12:03:44,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:03:44,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 12:03:44,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:03:44,156 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;@a7cd2f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:03:44,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 12:03:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.75) internal successors, (63), 58 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:03:44,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:44,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:03:44,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:44,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash 889508879, now seen corresponding path program 1 times [2024-11-09 12:03:44,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769784067] [2024-11-09 12:03:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:44,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:44,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:44,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769784067] [2024-11-09 12:03:44,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769784067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:44,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:44,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:03:44,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94213773] [2024-11-09 12:03:44,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:44,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:03:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:44,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:03:44,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:03:44,328 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.75) internal successors, (63), 58 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-09 12:03:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:44,354 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2024-11-09 12:03:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:03:44,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:03:44,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:44,363 INFO L225 Difference]: With dead ends: 118 [2024-11-09 12:03:44,363 INFO L226 Difference]: Without dead ends: 53 [2024-11-09 12:03:44,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:03:44,371 INFO L432 NwaCegarLoop]: 60 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, 60 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 [2024-11-09 12:03:44,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:03:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-09 12:03:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-09 12:03:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 50 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-11-09 12:03:44,401 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 6 [2024-11-09 12:03:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:44,402 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2024-11-09 12:03:44,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-09 12:03:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-11-09 12:03:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:03:44,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:44,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:44,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:03:44,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:44,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2024-11-09 12:03:44,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:44,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050015885] [2024-11-09 12:03:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:03:44,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805136927] [2024-11-09 12:03:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:44,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:44,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:44,431 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) [2024-11-09 12:03:44,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:03:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:44,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:03:44,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:44,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:03:44,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:44,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050015885] [2024-11-09 12:03:44,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:03:44,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805136927] [2024-11-09 12:03:44,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805136927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:44,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:44,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:03:44,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125362598] [2024-11-09 12:03:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:44,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:03:44,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:44,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:03:44,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:44,524 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:44,610 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2024-11-09 12:03:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:03:44,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 12:03:44,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:44,612 INFO L225 Difference]: With dead ends: 86 [2024-11-09 12:03:44,612 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 12:03:44,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:44,615 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 25 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:44,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 54 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:44,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 12:03:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2024-11-09 12:03:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.6170212765957446) internal successors, (76), 66 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-09 12:03:44,626 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 7 [2024-11-09 12:03:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:44,626 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-09 12:03:44,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-11-09 12:03:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 12:03:44,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:44,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:44,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:03:44,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:44,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:44,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash 176824808, now seen corresponding path program 1 times [2024-11-09 12:03:44,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:44,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439616568] [2024-11-09 12:03:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:44,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439616568] [2024-11-09 12:03:44,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439616568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:44,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:44,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:03:44,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533018170] [2024-11-09 12:03:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:44,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:03:44,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:44,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:03:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:44,911 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:44,973 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2024-11-09 12:03:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:03:44,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 12:03:44,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:44,975 INFO L225 Difference]: With dead ends: 88 [2024-11-09 12:03:44,976 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 12:03:44,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:44,978 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:44,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 58 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 12:03:44,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2024-11-09 12:03:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.5) internal successors, (78), 71 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2024-11-09 12:03:44,991 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 8 [2024-11-09 12:03:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:44,991 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2024-11-09 12:03:44,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2024-11-09 12:03:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:03:44,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:44,992 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:44,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:03:44,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:44,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:44,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2136961390, now seen corresponding path program 1 times [2024-11-09 12:03:44,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:44,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934825079] [2024-11-09 12:03:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:44,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:45,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:45,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934825079] [2024-11-09 12:03:45,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934825079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:45,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:45,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:03:45,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56662295] [2024-11-09 12:03:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:45,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:03:45,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:03:45,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,106 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:45,201 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2024-11-09 12:03:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:03:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 12:03:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:45,202 INFO L225 Difference]: With dead ends: 84 [2024-11-09 12:03:45,202 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 12:03:45,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,204 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:45,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 56 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:45,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 12:03:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2024-11-09 12:03:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.488888888888889) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2024-11-09 12:03:45,210 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 11 [2024-11-09 12:03:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:45,210 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2024-11-09 12:03:45,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:03:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2024-11-09 12:03:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 12:03:45,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:45,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:45,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:03:45,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:45,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:45,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1997929168, now seen corresponding path program 1 times [2024-11-09 12:03:45,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:45,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739169190] [2024-11-09 12:03:45,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:45,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:45,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:45,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739169190] [2024-11-09 12:03:45,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739169190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:45,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:45,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:03:45,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144537542] [2024-11-09 12:03:45,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:45,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:03:45,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:03:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:45,311 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:45,336 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-11-09 12:03:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:03:45,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-09 12:03:45,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:45,337 INFO L225 Difference]: With dead ends: 70 [2024-11-09 12:03:45,337 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 12:03:45,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:03:45,338 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:45,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 95 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:03:45,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 12:03:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-09 12:03:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-11-09 12:03:45,350 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 20 [2024-11-09 12:03:45,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:45,353 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-11-09 12:03:45,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-11-09 12:03:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 12:03:45,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:45,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:45,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:03:45,354 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:45,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1289822892, now seen corresponding path program 1 times [2024-11-09 12:03:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:45,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732779540] [2024-11-09 12:03:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:45,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:45,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732779540] [2024-11-09 12:03:45,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732779540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:45,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:45,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:03:45,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360272146] [2024-11-09 12:03:45,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:45,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:03:45,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:45,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:03:45,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,523 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:45,617 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2024-11-09 12:03:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:03:45,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-09 12:03:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:45,619 INFO L225 Difference]: With dead ends: 71 [2024-11-09 12:03:45,619 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 12:03:45,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,620 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:45,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 12:03:45,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-09 12:03:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-11-09 12:03:45,633 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-11-09 12:03:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:45,633 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-11-09 12:03:45,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-11-09 12:03:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 12:03:45,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:45,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:45,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:03:45,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:45,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:45,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1329803906, now seen corresponding path program 1 times [2024-11-09 12:03:45,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:45,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293917781] [2024-11-09 12:03:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:45,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:45,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293917781] [2024-11-09 12:03:45,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293917781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:45,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:03:45,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:03:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651528190] [2024-11-09 12:03:45,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:45,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:03:45,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:45,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:03:45,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,732 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:45,809 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2024-11-09 12:03:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:03:45,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 12:03:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:45,810 INFO L225 Difference]: With dead ends: 71 [2024-11-09 12:03:45,812 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 12:03:45,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:03:45,813 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:45,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 12:03:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-09 12:03:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.425531914893617) internal successors, (67), 66 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2024-11-09 12:03:45,822 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 25 [2024-11-09 12:03:45,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:45,823 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2024-11-09 12:03:45,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2024-11-09 12:03:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:03:45,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:45,824 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:45,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:03:45,824 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:45,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash 590222388, now seen corresponding path program 1 times [2024-11-09 12:03:45,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:45,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325288116] [2024-11-09 12:03:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:03:45,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851066949] [2024-11-09 12:03:45,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:45,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:45,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:45,848 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) [2024-11-09 12:03:45,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:03:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:45,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:03:45,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:45,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:46,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:46,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325288116] [2024-11-09 12:03:46,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:03:46,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851066949] [2024-11-09 12:03:46,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851066949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:46,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:03:46,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:03:46,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542124247] [2024-11-09 12:03:46,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:46,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:03:46,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:46,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:03:46,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:03:46,060 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:46,200 INFO L93 Difference]: Finished difference Result 136 states and 167 transitions. [2024-11-09 12:03:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:03:46,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-11-09 12:03:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:46,201 INFO L225 Difference]: With dead ends: 136 [2024-11-09 12:03:46,201 INFO L226 Difference]: Without dead ends: 132 [2024-11-09 12:03:46,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:03:46,202 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 116 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:46,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 93 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:46,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-09 12:03:46,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 104. [2024-11-09 12:03:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.475609756097561) internal successors, (121), 98 states have internal predecessors, (121), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 129 transitions. [2024-11-09 12:03:46,212 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 129 transitions. Word has length 28 [2024-11-09 12:03:46,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:46,212 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 129 transitions. [2024-11-09 12:03:46,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2024-11-09 12:03:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:03:46,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:46,216 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:03:46,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:03:46,417 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,SelfDestructingSolverStorable7 [2024-11-09 12:03:46,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:46,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:46,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1117024898, now seen corresponding path program 1 times [2024-11-09 12:03:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:46,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241300266] [2024-11-09 12:03:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:46,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:46,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241300266] [2024-11-09 12:03:46,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241300266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:46,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642980540] [2024-11-09 12:03:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:46,517 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) [2024-11-09 12:03:46,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:03:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:46,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:03:46,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:46,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:46,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642980540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:46,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:46,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:03:46,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179673884] [2024-11-09 12:03:46,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:46,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:03:46,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:46,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:03:46,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:03:46,735 INFO L87 Difference]: Start difference. First operand 104 states and 129 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:03:46,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:46,847 INFO L93 Difference]: Finished difference Result 104 states and 129 transitions. [2024-11-09 12:03:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:03:46,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-11-09 12:03:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:46,850 INFO L225 Difference]: With dead ends: 104 [2024-11-09 12:03:46,851 INFO L226 Difference]: Without dead ends: 101 [2024-11-09 12:03:46,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:03:46,851 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 66 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:46,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 76 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:46,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-09 12:03:46,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-09 12:03:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 95 states have internal predecessors, (114), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-11-09 12:03:46,860 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 29 [2024-11-09 12:03:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:46,860 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-09 12:03:46,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:03:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-11-09 12:03:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:03:46,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:46,861 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:46,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:03:47,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:47,062 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:47,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:47,062 INFO L85 PathProgramCache]: Analyzing trace with hash 268033526, now seen corresponding path program 1 times [2024-11-09 12:03:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81816471] [2024-11-09 12:03:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:47,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81816471] [2024-11-09 12:03:47,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81816471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951236255] [2024-11-09 12:03:47,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:47,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:47,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:47,134 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) [2024-11-09 12:03:47,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:03:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:03:47,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:47,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:47,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951236255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:47,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:47,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:03:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290900824] [2024-11-09 12:03:47,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:47,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:03:47,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:47,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:03:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:03:47,312 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:03:47,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:47,443 INFO L93 Difference]: Finished difference Result 113 states and 134 transitions. [2024-11-09 12:03:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:03:47,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2024-11-09 12:03:47,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:47,444 INFO L225 Difference]: With dead ends: 113 [2024-11-09 12:03:47,444 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 12:03:47,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:03:47,445 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:47,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 88 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:47,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 12:03:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2024-11-09 12:03:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 90 states have internal predecessors, (102), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2024-11-09 12:03:47,453 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 30 [2024-11-09 12:03:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:47,453 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2024-11-09 12:03:47,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:03:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2024-11-09 12:03:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:03:47,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:47,454 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:47,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:03:47,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:47,655 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:47,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -117817416, now seen corresponding path program 1 times [2024-11-09 12:03:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:47,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564518468] [2024-11-09 12:03:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:47,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564518468] [2024-11-09 12:03:47,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564518468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496317883] [2024-11-09 12:03:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:47,745 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) [2024-11-09 12:03:47,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:03:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:47,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:03:47,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:03:47,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:03:47,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496317883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:47,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:03:47,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 12:03:47,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101033857] [2024-11-09 12:03:47,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:47,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:03:47,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:47,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:03:47,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:03:47,937 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:48,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:48,000 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2024-11-09 12:03:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:03:48,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-09 12:03:48,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:48,002 INFO L225 Difference]: With dead ends: 96 [2024-11-09 12:03:48,002 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 12:03:48,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:03:48,003 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 27 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:48,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 42 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 12:03:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 12:03:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.135135135135135) internal successors, (84), 78 states have internal predecessors, (84), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-11-09 12:03:48,014 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 32 [2024-11-09 12:03:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-11-09 12:03:48,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:03:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-09 12:03:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 12:03:48,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:48,015 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:48,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:03:48,216 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,SelfDestructingSolverStorable10 [2024-11-09 12:03:48,216 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:48,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:48,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1559901290, now seen corresponding path program 1 times [2024-11-09 12:03:48,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:48,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850692240] [2024-11-09 12:03:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:03:48,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:48,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850692240] [2024-11-09 12:03:48,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850692240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:48,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432647169] [2024-11-09 12:03:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:48,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:48,287 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:48,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:03:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:03:48,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:03:48,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:03:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432647169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:48,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:03:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:03:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816678793] [2024-11-09 12:03:48,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:48,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:03:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:48,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:03:48,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:03:48,400 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:48,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:48,418 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2024-11-09 12:03:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:03:48,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-09 12:03:48,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:48,420 INFO L225 Difference]: With dead ends: 84 [2024-11-09 12:03:48,421 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:03:48,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:03:48,422 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:48,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:03:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:03:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 12:03:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 77 states have internal predecessors, (81), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:03:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2024-11-09 12:03:48,434 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 41 [2024-11-09 12:03:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:48,436 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2024-11-09 12:03:48,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2024-11-09 12:03:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 12:03:48,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:48,437 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:03:48,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:03:48,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:48,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:48,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:48,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1112299808, now seen corresponding path program 1 times [2024-11-09 12:03:48,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:48,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471526707] [2024-11-09 12:03:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:03:48,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471526707] [2024-11-09 12:03:48,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471526707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652287969] [2024-11-09 12:03:48,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:48,702 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:48,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:03:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:48,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:03:48,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:03:48,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:03:48,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652287969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:48,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:48,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:03:48,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514425895] [2024-11-09 12:03:48,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:48,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:03:48,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:03:48,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:03:48,825 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:03:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:48,854 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2024-11-09 12:03:48,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:03:48,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2024-11-09 12:03:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:48,856 INFO L225 Difference]: With dead ends: 96 [2024-11-09 12:03:48,856 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 12:03:48,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:03:48,857 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:48,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 106 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:03:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 12:03:48,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-09 12:03:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 83 states have (on average 1.072289156626506) internal successors, (89), 86 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:03:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2024-11-09 12:03:48,862 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 42 [2024-11-09 12:03:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:48,863 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2024-11-09 12:03:48,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:03:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2024-11-09 12:03:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:03:48,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:48,866 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 12:03:48,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 12:03:49,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:49,066 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:49,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1019318590, now seen corresponding path program 1 times [2024-11-09 12:03:49,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:49,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748196844] [2024-11-09 12:03:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:49,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:49,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:03:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:49,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:49,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748196844] [2024-11-09 12:03:49,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748196844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:49,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070184804] [2024-11-09 12:03:49,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:49,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:49,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:49,230 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:49,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:03:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:49,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:03:49,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:49,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:49,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070184804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:49,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:49,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 12:03:49,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926233902] [2024-11-09 12:03:49,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:49,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:03:49,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:49,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:03:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:03:49,645 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:03:49,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:49,849 INFO L93 Difference]: Finished difference Result 134 states and 148 transitions. [2024-11-09 12:03:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:03:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 67 [2024-11-09 12:03:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:49,850 INFO L225 Difference]: With dead ends: 134 [2024-11-09 12:03:49,850 INFO L226 Difference]: Without dead ends: 133 [2024-11-09 12:03:49,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-09 12:03:49,851 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:49,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 86 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:49,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-09 12:03:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-09 12:03:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 119 states have (on average 1.0924369747899159) internal successors, (130), 122 states have internal predecessors, (130), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:03:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2024-11-09 12:03:49,860 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 67 [2024-11-09 12:03:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:49,860 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2024-11-09 12:03:49,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:03:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2024-11-09 12:03:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 12:03:49,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:49,863 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-09 12:03:49,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:03:50,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:03:50,065 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:50,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1863938614, now seen corresponding path program 2 times [2024-11-09 12:03:50,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:50,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976237519] [2024-11-09 12:03:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:03:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:50,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976237519] [2024-11-09 12:03:50,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976237519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:50,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063400838] [2024-11-09 12:03:50,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:03:50,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:50,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:50,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:03:50,283 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:03:50,283 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:03:50,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:03:50,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:50,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:03:50,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063400838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:50,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:50,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 12:03:50,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627515329] [2024-11-09 12:03:50,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:50,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:03:50,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:50,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:03:50,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:03:50,700 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:03:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:51,000 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2024-11-09 12:03:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:03:51,000 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 72 [2024-11-09 12:03:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:51,002 INFO L225 Difference]: With dead ends: 140 [2024-11-09 12:03:51,002 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 12:03:51,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:03:51,003 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 69 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:51,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 120 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:03:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 12:03:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2024-11-09 12:03:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 124 states have (on average 1.0725806451612903) internal successors, (133), 127 states have internal predecessors, (133), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:03:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 147 transitions. [2024-11-09 12:03:51,014 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 147 transitions. Word has length 72 [2024-11-09 12:03:51,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:51,015 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 147 transitions. [2024-11-09 12:03:51,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:03:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2024-11-09 12:03:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 12:03:51,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:51,017 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:03:51,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:03:51,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:03:51,219 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:51,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash 31037326, now seen corresponding path program 2 times [2024-11-09 12:03:51,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:51,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551086912] [2024-11-09 12:03:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:03:51,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213334638] [2024-11-09 12:03:51,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:03:51,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:51,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:51,242 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:51,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:03:51,308 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:03:51,308 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:03:51,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:03:51,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:03:51,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:03:51,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:51,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551086912] [2024-11-09 12:03:51,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:03:51,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213334638] [2024-11-09 12:03:51,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213334638] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:51,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:03:51,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:03:51,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075857605] [2024-11-09 12:03:51,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:51,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:03:51,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:51,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:03:51,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:03:51,594 INFO L87 Difference]: Start difference. First operand 136 states and 147 transitions. Second operand has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:03:51,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:51,852 INFO L93 Difference]: Finished difference Result 193 states and 210 transitions. [2024-11-09 12:03:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:03:51,852 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 91 [2024-11-09 12:03:51,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:51,853 INFO L225 Difference]: With dead ends: 193 [2024-11-09 12:03:51,854 INFO L226 Difference]: Without dead ends: 192 [2024-11-09 12:03:51,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:03:51,854 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 91 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:51,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 272 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:03:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-09 12:03:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2024-11-09 12:03:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 170 states have (on average 1.0823529411764705) internal successors, (184), 173 states have internal predecessors, (184), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:03:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 204 transitions. [2024-11-09 12:03:51,861 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 204 transitions. Word has length 91 [2024-11-09 12:03:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:51,862 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 204 transitions. [2024-11-09 12:03:51,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:03:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 204 transitions. [2024-11-09 12:03:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 12:03:51,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:51,863 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:03:51,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 12:03:52,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 12:03:52,063 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:52,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2017064698, now seen corresponding path program 2 times [2024-11-09 12:03:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826708700] [2024-11-09 12:03:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:03:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 12:03:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 12:03:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 12:03:52,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:52,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826708700] [2024-11-09 12:03:52,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826708700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:52,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615488259] [2024-11-09 12:03:52,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:03:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:52,158 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:52,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:03:52,196 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:03:52,196 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:03:52,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:03:52,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 12:03:52,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:03:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 12:03:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615488259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:03:52,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:03:52,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 12:03:52,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616398673] [2024-11-09 12:03:52,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:03:52,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:03:52,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:52,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:03:52,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:03:52,405 INFO L87 Difference]: Start difference. First operand 185 states and 204 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:52,432 INFO L93 Difference]: Finished difference Result 185 states and 204 transitions. [2024-11-09 12:03:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:03:52,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-09 12:03:52,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:52,434 INFO L225 Difference]: With dead ends: 185 [2024-11-09 12:03:52,434 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 12:03:52,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:03:52,434 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 31 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:52,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:03:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 12:03:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-09 12:03:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 170 states have (on average 1.0470588235294118) internal successors, (178), 172 states have internal predecessors, (178), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:03:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 198 transitions. [2024-11-09 12:03:52,443 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 198 transitions. Word has length 105 [2024-11-09 12:03:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:52,443 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 198 transitions. [2024-11-09 12:03:52,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 198 transitions. [2024-11-09 12:03:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 12:03:52,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:52,444 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-09 12:03:52,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:03:52,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:03:52,645 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:52,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1762326338, now seen corresponding path program 2 times [2024-11-09 12:03:52,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:52,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064900525] [2024-11-09 12:03:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:52,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:03:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 12:03:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 12:03:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 12:03:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 12:03:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 12:03:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:53,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064900525] [2024-11-09 12:03:53,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064900525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:53,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754568059] [2024-11-09 12:03:53,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:03:53,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:53,071 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:53,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:03:53,112 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:03:53,112 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:03:53,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:03:53,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:03:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-09 12:03:53,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:03:53,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754568059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:03:53,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:03:53,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-09 12:03:53,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911365200] [2024-11-09 12:03:53,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:03:53,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:03:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:03:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:03:53,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:03:53,275 INFO L87 Difference]: Start difference. First operand 184 states and 198 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:03:53,360 INFO L93 Difference]: Finished difference Result 186 states and 200 transitions. [2024-11-09 12:03:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:03:53,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 151 [2024-11-09 12:03:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:03:53,362 INFO L225 Difference]: With dead ends: 186 [2024-11-09 12:03:53,362 INFO L226 Difference]: Without dead ends: 185 [2024-11-09 12:03:53,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:03:53,363 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 23 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:03:53,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 41 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:03:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-09 12:03:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2024-11-09 12:03:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 170 states have (on average 1.0235294117647058) internal successors, (174), 171 states have internal predecessors, (174), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:03:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 194 transitions. [2024-11-09 12:03:53,372 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 194 transitions. Word has length 151 [2024-11-09 12:03:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:03:53,373 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 194 transitions. [2024-11-09 12:03:53,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:03:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 194 transitions. [2024-11-09 12:03:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 12:03:53,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:03:53,374 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-09 12:03:53,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:03:53,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:03:53,580 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:03:53,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:03:53,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1743039158, now seen corresponding path program 3 times [2024-11-09 12:03:53,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:03:53,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780434302] [2024-11-09 12:03:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:03:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:03:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:03:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:03:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:03:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 12:03:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 12:03:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 12:03:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 12:03:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:03:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 12:03:53,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:03:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780434302] [2024-11-09 12:03:53,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780434302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:03:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077362400] [2024-11-09 12:03:53,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:03:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:03:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:03:53,945 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:03:53,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:03:54,024 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:03:54,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:03:54,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:03:54,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:04:34,385 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-09 12:04:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 2 not checked. [2024-11-09 12:04:38,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:04:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-09 12:04:50,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077362400] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:04:50,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:04:50,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 8] total 28 [2024-11-09 12:04:50,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914688879] [2024-11-09 12:04:50,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:04:50,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:04:50,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:04:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:04:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=602, Unknown=5, NotChecked=52, Total=812 [2024-11-09 12:04:50,690 INFO L87 Difference]: Start difference. First operand 183 states and 194 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:04:50,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:04:50,880 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2024-11-09 12:04:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:04:50,881 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 156 [2024-11-09 12:04:50,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:04:50,882 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:04:50,882 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 12:04:50,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 36.6s TimeCoverageRelationStatistics Valid=184, Invalid=745, Unknown=5, NotChecked=58, Total=992 [2024-11-09 12:04:50,883 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 64 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:04:50,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 48 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:04:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 12:04:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-09 12:04:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 170 states have (on average 1.0058823529411764) internal successors, (171), 170 states have internal predecessors, (171), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:04:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 191 transitions. [2024-11-09 12:04:50,896 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 191 transitions. Word has length 156 [2024-11-09 12:04:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:04:50,897 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 191 transitions. [2024-11-09 12:04:50,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:04:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 191 transitions. [2024-11-09 12:04:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 12:04:50,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:04:50,900 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-09 12:04:50,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:04:51,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:04:51,103 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:04:51,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:04:51,104 INFO L85 PathProgramCache]: Analyzing trace with hash 32899790, now seen corresponding path program 3 times [2024-11-09 12:04:51,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:04:51,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521155961] [2024-11-09 12:04:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:04:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:04:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:04:51,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917408670] [2024-11-09 12:04:51,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:04:51,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:04:51,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:04:51,142 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:04:51,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:04:51,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 12:04:51,264 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:04:51,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 12:04:51,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:04:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 12:04:51,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:04:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 12:04:52,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:04:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521155961] [2024-11-09 12:04:52,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:04:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917408670] [2024-11-09 12:04:52,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917408670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:04:52,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:04:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-09 12:04:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438656256] [2024-11-09 12:04:52,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:04:52,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:04:52,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:04:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:04:52,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:04:52,286 INFO L87 Difference]: Start difference. First operand 182 states and 191 transitions. Second operand has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:04:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:04:53,655 INFO L93 Difference]: Finished difference Result 387 states and 419 transitions. [2024-11-09 12:04:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 12:04:53,656 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 217 [2024-11-09 12:04:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:04:53,658 INFO L225 Difference]: With dead ends: 387 [2024-11-09 12:04:53,659 INFO L226 Difference]: Without dead ends: 386 [2024-11-09 12:04:53,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 12:04:53,660 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 134 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:04:53,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 993 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:04:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-09 12:04:53,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-09 12:04:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 362 states have (on average 1.0027624309392265) internal successors, (363), 362 states have internal predecessors, (363), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:04:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 407 transitions. [2024-11-09 12:04:53,683 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 407 transitions. Word has length 217 [2024-11-09 12:04:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:04:53,683 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 407 transitions. [2024-11-09 12:04:53,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:04:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 407 transitions. [2024-11-09 12:04:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-09 12:04:53,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:04:53,692 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-09 12:04:53,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:04:53,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:04:53,894 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:04:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:04:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash 493635918, now seen corresponding path program 4 times [2024-11-09 12:04:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:04:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22695702] [2024-11-09 12:04:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:04:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:04:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:04:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 12:04:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 12:04:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 12:04:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 12:04:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 12:04:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 12:04:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-09 12:04:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-09 12:04:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:04:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-09 12:04:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 12:04:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-09 12:04:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-09 12:04:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 12:04:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-09 12:04:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-09 12:04:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-09 12:04:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-09 12:04:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-11-09 12:04:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-11-09 12:04:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-11-09 12:04:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:04:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3722 proven. 271 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 12:04:55,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:04:55,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22695702] [2024-11-09 12:04:55,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22695702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:04:55,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67169257] [2024-11-09 12:04:55,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:04:55,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:04:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:04:55,562 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:04:55,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:04:55,718 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:04:55,718 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:04:55,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 12:04:55,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:04:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3993 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 12:04:58,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:04:58,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67169257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:04:58,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:04:58,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [26] total 50 [2024-11-09 12:04:58,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852358559] [2024-11-09 12:04:58,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:04:58,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 12:04:58,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:04:58,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 12:04:58,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=1609, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 12:04:58,140 INFO L87 Difference]: Start difference. First operand 386 states and 407 transitions. Second operand has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:04:58,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:04:58,457 INFO L93 Difference]: Finished difference Result 390 states and 410 transitions. [2024-11-09 12:04:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 12:04:58,457 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 469 [2024-11-09 12:04:58,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:04:58,459 INFO L225 Difference]: With dead ends: 390 [2024-11-09 12:04:58,459 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:04:58,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=841, Invalid=1609, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 12:04:58,461 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 0 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:04:58,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1476 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:04:58,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:04:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:04:58,465 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) [2024-11-09 12:04:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:04:58,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 469 [2024-11-09 12:04:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:04:58,466 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:04:58,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:04:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:04:58,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:04:58,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-09 12:04:58,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-09 12:04:58,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-09 12:04:58,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-09 12:04:58,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:04:58,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:04:58,677 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:04:58,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:05:00,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:05:00,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:05:00 BoogieIcfgContainer [2024-11-09 12:05:00,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:05:00,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:05:00,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:05:00,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:05:00,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:44" (3/4) ... [2024-11-09 12:05:00,099 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:05:00,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:05:00,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 12:05:00,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 12:05:00,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 12:05:00,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:05:00,211 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:05:00,211 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:05:00,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:05:00,212 INFO L158 Benchmark]: Toolchain (without parser) took 76889.94ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 97.0MB in the beginning and 110.7MB in the end (delta: -13.7MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,212 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:05:00,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.36ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 134.1MB in the end (delta: -37.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 132.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:05:00,213 INFO L158 Benchmark]: Boogie Preprocessor took 59.85ms. Allocated memory is still 163.6MB. Free memory was 132.7MB in the beginning and 130.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,213 INFO L158 Benchmark]: RCFGBuilder took 392.56ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 116.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,213 INFO L158 Benchmark]: TraceAbstraction took 76014.40ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 116.1MB in the beginning and 116.0MB in the end (delta: 151.8kB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,213 INFO L158 Benchmark]: Witness Printer took 114.68ms. Allocated memory is still 243.3MB. Free memory was 116.0MB in the beginning and 110.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:05:00,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.36ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 134.1MB in the end (delta: -37.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 132.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.85ms. Allocated memory is still 163.6MB. Free memory was 132.7MB in the beginning and 130.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.56ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 116.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 76014.40ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 116.1MB in the beginning and 116.0MB in the end (delta: 151.8kB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. * Witness Printer took 114.68ms. Allocated memory is still 243.3MB. Free memory was 116.0MB in the beginning and 110.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: 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 2 procedures, 62 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 74.5s, OverallIterations: 21, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 812 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 799 mSDsluCounter, 4017 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3030 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3576 IncrementalHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 987 mSDtfsCounter, 3576 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2610 GetRequests, 2359 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 39.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=20, InterpolantAutomatonStates: 170, 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, 21 MinimizatonAttempts, 76 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 65.7s InterpolantComputationTime, 3168 NumberOfCodeBlocks, 2832 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 3620 ConstructedInterpolants, 4 QuantifiedInterpolants, 16596 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2159 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 42 InterpolantComputations, 12 PerfectInterpolantSequences, 12199/15505 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 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= k) && (c <= 9223372036854775806)) && (9 <= c)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903)) && (k <= 20)) || (((((0 <= k) && (c == 0)) && (y == 0)) && (x == 0)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && (17 <= c)) && ((((__int128) y * 8) + ((__int128) y * y)) <= 9223372036854775791)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (18 <= c)) && ((((__int128) 6 * y) + ((__int128) y * y)) <= 9223372036854775798)) && (y <= x)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (7 <= x)) && (7 == y)) && (7 <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((0 <= k) && (6 == y)) && (6 <= x)) && (c <= 9223372036854775806)) && (6 <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((0 <= k) && (c == 1)) && (x == 1)) && (y == 1)) && (k <= 20))) || ((((((((0 <= k) && (19 <= c)) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && ((((__int128) y * 4) + ((__int128) y * y)) <= 9223372036854775803)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && (13 <= c)) && (x <= 4611686018427387903)) && ((((__int128) 16 * y) + ((__int128) y * y)) <= 9223372036854775743)) && (k <= 20))) || (((((((0 <= k) && (y == 4)) && (c <= 9223372036854775806)) && (x <= 4611686018427387892)) && (4 <= c)) && (4 <= x)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (11 <= c)) && (1 <= y)) && (y <= x)) && ((((__int128) y * 20) + ((__int128) y * y)) <= 9223372036854775707)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && ((((__int128) 2 * y) + ((__int128) y * y)) <= 9223372036854775806)) && (20 <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (10 <= c)) && (y == 10)) && (x <= 4611686018427387903)) && (10 <= x)) && (k <= 20))) || (((((((0 <= k) && (5 <= x)) && (5 == y)) && (c <= 9223372036854775806)) && (5 <= c)) && (x <= 4611686018427387897)) && (k <= 20))) || ((((((((0 <= k) && (12 <= c)) && (c <= 9223372036854775806)) && (1 <= y)) && ((((__int128) y * 18) + ((__int128) y * y)) <= 9223372036854775726)) && (y <= x)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (3 == y)) && (3 <= c)) && (x <= 6)) && (3 <= x)) && (k <= 20))) || (((((((0 <= k) && (8 <= x)) && (c <= 9223372036854775806)) && (y == 8)) && (x <= 4611686018427387903)) && (8 <= c)) && (k <= 20))) || (((((((0 <= k) && (2 <= x)) && (2 <= c)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805)) && (k <= 20))) || ((((((((0 <= k) && ((((__int128) y * 10) + ((__int128) y * y)) <= 9223372036854775782)) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && (16 <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && ((((__int128) y * 12) + ((__int128) y * y)) <= 9223372036854775771)) && (15 <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && (y <= x)) && (14 <= c)) && ((((__int128) 14 * y) + ((__int128) y * y)) <= 9223372036854775758)) && (x <= 4611686018427387903)) && (k <= 20))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:05:00,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE