./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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/sqrt1-ll_unwindbound10.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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:10:03,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:10:03,730 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:10:03,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:10:03,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:10:03,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:10:03,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:10:03,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:10:03,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:10:03,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:10:03,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:10:03,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:10:03,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:10:03,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:10:03,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:10:03,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:10:03,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:10:03,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:10:03,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:10:03,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:10:03,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:10:03,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:10:03,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:10:03,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:10:03,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:10:03,781 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:10:03,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:10:03,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:10:03,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:10:03,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:10:03,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:10:03,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:10:03,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:10:03,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:10:03,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:10:03,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:10:03,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:10:03,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:10:03,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:10:03,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:10:03,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:10:03,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:10:03,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:10:03,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:10:03,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2024-11-09 12:10:04,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:10:04,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:10:04,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:10:04,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:10:04,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:10:04,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-09 12:10:05,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:10:05,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:10:05,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-09 12:10:05,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee7564a2/b11af0f3b8f04f3eb726b46892a0b8d9/FLAG2303c4602 [2024-11-09 12:10:06,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee7564a2/b11af0f3b8f04f3eb726b46892a0b8d9 [2024-11-09 12:10:06,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:10:06,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:10:06,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:10:06,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:10:06,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:10:06,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e335f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06, skipping insertion in model container [2024-11-09 12:10:06,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:10:06,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:10:06,412 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:10:06,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:10:06,460 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:10:06,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06 WrapperNode [2024-11-09 12:10:06,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:10:06,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:10:06,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:10:06,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:10:06,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,515 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-09 12:10:06,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:10:06,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:10:06,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:10:06,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:10:06,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,561 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 12:10:06,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:10:06,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:10:06,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:10:06,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:10:06,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (1/1) ... [2024-11-09 12:10:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:10:06,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:06,616 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 12:10:06,618 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 12:10:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:10:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:10:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:10:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:10:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:10:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:10:06,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:10:06,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:10:07,149 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 12:10:07,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:10:07,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:10:07,170 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:10:07,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:07 BoogieIcfgContainer [2024-11-09 12:10:07,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:10:07,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:10:07,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:10:07,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:10:07,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:10:06" (1/3) ... [2024-11-09 12:10:07,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeee6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:10:07, skipping insertion in model container [2024-11-09 12:10:07,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:06" (2/3) ... [2024-11-09 12:10:07,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeee6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:10:07, skipping insertion in model container [2024-11-09 12:10:07,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:07" (3/3) ... [2024-11-09 12:10:07,182 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2024-11-09 12:10:07,199 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:10:07,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-09 12:10:07,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:10:07,270 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;@6cb75e27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:10:07,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-09 12:10:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:10:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 12:10:07,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 12:10:07,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,290 INFO L85 PathProgramCache]: Analyzing trace with hash 928069, now seen corresponding path program 1 times [2024-11-09 12:10:07,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316282939] [2024-11-09 12:10:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,422 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 12:10:07,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316282939] [2024-11-09 12:10:07,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316282939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308150266] [2024-11-09 12:10:07,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:10:07,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:10:07,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:10:07,455 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,483 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2024-11-09 12:10:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:10:07,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 12:10:07,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,492 INFO L225 Difference]: With dead ends: 243 [2024-11-09 12:10:07,492 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 12:10:07,496 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 12:10:07,498 INFO L432 NwaCegarLoop]: 126 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, 126 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 12:10:07,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:07,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 12:10:07,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-09 12:10:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 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 12:10:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2024-11-09 12:10:07,540 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2024-11-09 12:10:07,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,541 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2024-11-09 12:10:07,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-09 12:10:07,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 12:10:07,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 12:10:07,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:10:07,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 12:10:07,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174001405] [2024-11-09 12:10:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,627 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 12:10:07,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174001405] [2024-11-09 12:10:07,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174001405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739995415] [2024-11-09 12:10:07,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:07,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:07,635 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,704 INFO L93 Difference]: Finished difference Result 114 states and 119 transitions. [2024-11-09 12:10:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:07,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 12:10:07,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,706 INFO L225 Difference]: With dead ends: 114 [2024-11-09 12:10:07,707 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 12:10:07,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:07,708 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 223 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 12:10:07,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 223 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:07,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 12:10:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-09 12:10:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.8) internal successors, (108), 106 states have internal predecessors, (108), 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 12:10:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-11-09 12:10:07,727 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 4 [2024-11-09 12:10:07,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,728 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-11-09 12:10:07,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-09 12:10:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 12:10:07,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 12:10:07,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:10:07,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,729 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-09 12:10:07,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725527100] [2024-11-09 12:10:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,797 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 12:10:07,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725527100] [2024-11-09 12:10:07,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725527100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130558106] [2024-11-09 12:10:07,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:07,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:07,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:07,803 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,859 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2024-11-09 12:10:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:07,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 12:10:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,862 INFO L225 Difference]: With dead ends: 166 [2024-11-09 12:10:07,862 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 12:10:07,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:07,865 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 338 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:07,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 12:10:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 12:10:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 64 states have (on average 1.75) internal successors, (112), 110 states have internal predecessors, (112), 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 12:10:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-11-09 12:10:07,880 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 5 [2024-11-09 12:10:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,881 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-11-09 12:10:07,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-11-09 12:10:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:10:07,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:07,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:10:07,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-09 12:10:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407312644] [2024-11-09 12:10:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,934 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 12:10:07,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407312644] [2024-11-09 12:10:07,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407312644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159991914] [2024-11-09 12:10:07,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:07,937 INFO L87 Difference]: Start difference. First operand 117 states and 122 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 12:10:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,088 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-11-09 12:10:08,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:08,089 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 12:10:08,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,091 INFO L225 Difference]: With dead ends: 211 [2024-11-09 12:10:08,091 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 12:10:08,092 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 12:10:08,095 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 171 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 12:10:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-11-09 12:10:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.606060606060606) internal successors, (159), 145 states have internal predecessors, (159), 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 12:10:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-11-09 12:10:08,115 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 7 [2024-11-09 12:10:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,115 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-11-09 12:10:08,116 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 12:10:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-11-09 12:10:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:10:08,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,117 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] [2024-11-09 12:10:08,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:10:08,118 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash 323965805, now seen corresponding path program 1 times [2024-11-09 12:10:08,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963859007] [2024-11-09 12:10:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:08,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784410246] [2024-11-09 12:10:08,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:08,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:08,154 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 12:10:08,157 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 12:10:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:08,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:08,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:08,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963859007] [2024-11-09 12:10:08,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:08,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784410246] [2024-11-09 12:10:08,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784410246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954748303] [2024-11-09 12:10:08,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:08,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:08,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,303 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,444 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-11-09 12:10:08,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:08,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 12:10:08,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,447 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:10:08,447 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 12:10:08,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 12:10:08,449 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 12:10:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-11-09 12:10:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 155 states have internal predecessors, (170), 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 12:10:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-09 12:10:08,470 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 28 [2024-11-09 12:10:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,471 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-09 12:10:08,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-09 12:10:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:10:08,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,472 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 12:10:08,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:08,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:08,677 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1453005437, now seen corresponding path program 1 times [2024-11-09 12:10:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853798505] [2024-11-09 12:10:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:08,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853798505] [2024-11-09 12:10:08,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853798505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:08,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862914020] [2024-11-09 12:10:08,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:08,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:08,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,792 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,898 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-09 12:10:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:08,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 12:10:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,900 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:10:08,900 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 12:10:08,901 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 12:10:08,903 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 12:10:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-09 12:10:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4821428571428572) internal successors, (166), 158 states have internal predecessors, (166), 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 12:10:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-11-09 12:10:08,923 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 29 [2024-11-09 12:10:08,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,923 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-11-09 12:10:08,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-11-09 12:10:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:10:08,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,924 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, 1, 1, 1] [2024-11-09 12:10:08,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:10:08,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1804640113, now seen corresponding path program 1 times [2024-11-09 12:10:08,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999947188] [2024-11-09 12:10:08,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:09,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999947188] [2024-11-09 12:10:09,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999947188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:09,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:09,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996708594] [2024-11-09 12:10:09,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:09,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:09,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,063 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,168 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-09 12:10:09,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:09,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-09 12:10:09,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,169 INFO L225 Difference]: With dead ends: 175 [2024-11-09 12:10:09,170 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 12:10:09,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 12:10:09,171 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 186 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 12:10:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-09 12:10:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 158 states have internal predecessors, (164), 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 12:10:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-09 12:10:09,192 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 32 [2024-11-09 12:10:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,192 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-09 12:10:09,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-09 12:10:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:10:09,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,195 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:09,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:10:09,195 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash -360182923, now seen corresponding path program 1 times [2024-11-09 12:10:09,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716254492] [2024-11-09 12:10:09,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:09,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716254492] [2024-11-09 12:10:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716254492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:09,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82603415] [2024-11-09 12:10:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:09,314 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,429 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-11-09 12:10:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:09,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-09 12:10:09,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,431 INFO L225 Difference]: With dead ends: 175 [2024-11-09 12:10:09,431 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 12:10:09,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:09,432 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 174 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 12:10:09,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 12:10:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 137 states have internal predecessors, (139), 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 12:10:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-09 12:10:09,445 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 36 [2024-11-09 12:10:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,446 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-09 12:10:09,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-09 12:10:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:10:09,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,448 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:09,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:10:09,448 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,453 INFO L85 PathProgramCache]: Analyzing trace with hash 89880211, now seen corresponding path program 1 times [2024-11-09 12:10:09,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406270878] [2024-11-09 12:10:09,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:09,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406270878] [2024-11-09 12:10:09,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406270878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:09,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:09,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755115307] [2024-11-09 12:10:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,665 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,793 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-11-09 12:10:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:09,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-09 12:10:09,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,795 INFO L225 Difference]: With dead ends: 150 [2024-11-09 12:10:09,796 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 12:10:09,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 12:10:09,797 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 221 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:09,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 12:10:09,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-09 12:10:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 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 12:10:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-11-09 12:10:09,808 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 49 [2024-11-09 12:10:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,809 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-11-09 12:10:09,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-11-09 12:10:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 12:10:09,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:09,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:10:09,812 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1508680645, now seen corresponding path program 1 times [2024-11-09 12:10:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968767791] [2024-11-09 12:10:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:09,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968767791] [2024-11-09 12:10:09,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968767791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:09,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:09,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426505590] [2024-11-09 12:10:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:09,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,941 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:10,053 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-09 12:10:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:10,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-09 12:10:10,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:10,055 INFO L225 Difference]: With dead ends: 150 [2024-11-09 12:10:10,055 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 12:10:10,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 12:10:10,056 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:10,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 12:10:10,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-09 12:10:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 139 states have internal predecessors, (141), 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 12:10:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-11-09 12:10:10,066 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 50 [2024-11-09 12:10:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:10,067 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-11-09 12:10:10,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-11-09 12:10:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 12:10:10,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:10,069 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:10,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:10:10,070 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:10,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1727694252, now seen corresponding path program 1 times [2024-11-09 12:10:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:10,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481291360] [2024-11-09 12:10:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481291360] [2024-11-09 12:10:10,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481291360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938224108] [2024-11-09 12:10:10,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:10,200 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 12:10:10,202 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 12:10:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:10:10,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:10,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938224108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:10,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:10,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:10:10,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214527996] [2024-11-09 12:10:10,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:10,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:10:10,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:10,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:10:10,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:10:10,403 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:10,470 INFO L93 Difference]: Finished difference Result 197 states and 205 transitions. [2024-11-09 12:10:10,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:10,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-09 12:10:10,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:10,473 INFO L225 Difference]: With dead ends: 197 [2024-11-09 12:10:10,473 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 12:10:10,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:10:10,474 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 77 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:10,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 12:10:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-09 12:10:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.528301886792453) internal successors, (162), 152 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2024-11-09 12:10:10,485 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 53 [2024-11-09 12:10:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:10,486 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2024-11-09 12:10:10,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2024-11-09 12:10:10,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 12:10:10,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:10,488 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:10,507 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 12:10:10,692 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,SelfDestructingSolverStorable10 [2024-11-09 12:10:10,693 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:10,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:10,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1838165906, now seen corresponding path program 1 times [2024-11-09 12:10:10,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:10,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099097931] [2024-11-09 12:10:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:10,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099097931] [2024-11-09 12:10:10,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099097931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:10,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952140365] [2024-11-09 12:10:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:10,787 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 12:10:10,788 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 12:10:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:10,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:10,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952140365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:10,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:10,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:10:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939412450] [2024-11-09 12:10:10,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:10,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:10,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:10,921 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:11,009 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2024-11-09 12:10:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:11,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-09 12:10:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:11,012 INFO L225 Difference]: With dead ends: 164 [2024-11-09 12:10:11,012 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 12:10:11,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 12:10:11,014 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 122 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:11,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 127 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 12:10:11,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-09 12:10:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 143 states have internal predecessors, (149), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2024-11-09 12:10:11,022 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 55 [2024-11-09 12:10:11,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:11,022 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2024-11-09 12:10:11,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2024-11-09 12:10:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 12:10:11,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:11,027 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:11,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:11,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,232 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:11,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:11,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568188, now seen corresponding path program 1 times [2024-11-09 12:10:11,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:11,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893197517] [2024-11-09 12:10:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:11,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893197517] [2024-11-09 12:10:11,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893197517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:11,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214562337] [2024-11-09 12:10:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:11,299 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 12:10:11,300 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 12:10:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:11,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:11,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:11,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214562337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:11,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:11,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:10:11,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017216727] [2024-11-09 12:10:11,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:11,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:10:11,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:11,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:10:11,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:10:11,526 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:10:11,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:11,707 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2024-11-09 12:10:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:11,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2024-11-09 12:10:11,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:11,710 INFO L225 Difference]: With dead ends: 279 [2024-11-09 12:10:11,710 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 12:10:11,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 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 12:10:11,712 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 239 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:11,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 273 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 12:10:11,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 146. [2024-11-09 12:10:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 134 states have internal predecessors, (136), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-09 12:10:11,727 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 56 [2024-11-09 12:10:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:11,727 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-09 12:10:11,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:10:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-09 12:10:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:10:11,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:11,729 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:11,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:11,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,930 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:11,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:11,931 INFO L85 PathProgramCache]: Analyzing trace with hash -105881028, now seen corresponding path program 1 times [2024-11-09 12:10:11,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:11,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835790930] [2024-11-09 12:10:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:11,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792656060] [2024-11-09 12:10:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:11,965 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 12:10:11,966 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 12:10:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:12,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:12,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:12,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:12,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835790930] [2024-11-09 12:10:12,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:12,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792656060] [2024-11-09 12:10:12,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792656060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:12,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:12,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:10:12,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758552949] [2024-11-09 12:10:12,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:12,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:10:12,256 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:10:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:12,472 INFO L93 Difference]: Finished difference Result 370 states and 405 transitions. [2024-11-09 12:10:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2024-11-09 12:10:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:12,476 INFO L225 Difference]: With dead ends: 370 [2024-11-09 12:10:12,476 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 12:10:12,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 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 12:10:12,477 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 346 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:12,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 331 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 12:10:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2024-11-09 12:10:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 224 states have internal predecessors, (260), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 12:10:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 296 transitions. [2024-11-09 12:10:12,493 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 296 transitions. Word has length 69 [2024-11-09 12:10:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:12,494 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 296 transitions. [2024-11-09 12:10:12,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:10:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 296 transitions. [2024-11-09 12:10:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 12:10:12,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:12,496 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:12,514 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 12:10:12,699 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,SelfDestructingSolverStorable13 [2024-11-09 12:10:12,700 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:12,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1823839910, now seen corresponding path program 1 times [2024-11-09 12:10:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:12,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363013793] [2024-11-09 12:10:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:12,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246886771] [2024-11-09 12:10:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:12,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:12,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:12,719 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 12:10:12,720 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 12:10:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:12,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:12,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:12,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363013793] [2024-11-09 12:10:12,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:12,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246886771] [2024-11-09 12:10:12,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246886771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:12,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:12,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:10:12,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241960871] [2024-11-09 12:10:12,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:12,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:12,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:12,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:10:12,994 INFO L87 Difference]: Start difference. First operand 244 states and 296 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:10:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:13,240 INFO L93 Difference]: Finished difference Result 332 states and 406 transitions. [2024-11-09 12:10:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:13,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2024-11-09 12:10:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:13,242 INFO L225 Difference]: With dead ends: 332 [2024-11-09 12:10:13,242 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 12:10:13,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 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 12:10:13,243 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 182 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:13,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 12:10:13,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 244. [2024-11-09 12:10:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.24) internal successors, (248), 222 states have internal predecessors, (248), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:10:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 288 transitions. [2024-11-09 12:10:13,278 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 288 transitions. Word has length 76 [2024-11-09 12:10:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:13,278 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 288 transitions. [2024-11-09 12:10:13,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:10:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 288 transitions. [2024-11-09 12:10:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 12:10:13,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:13,280 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:13,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:13,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:10:13,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:13,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:13,485 INFO L85 PathProgramCache]: Analyzing trace with hash 704462436, now seen corresponding path program 1 times [2024-11-09 12:10:13,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68792486] [2024-11-09 12:10:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:13,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:13,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68792486] [2024-11-09 12:10:13,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68792486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:13,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317245625] [2024-11-09 12:10:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:13,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:13,595 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 12:10:13,597 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 12:10:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:13,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317245625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:13,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:13,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:10:13,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700653699] [2024-11-09 12:10:13,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:13,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:10:13,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:13,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:10:13,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:13,961 INFO L87 Difference]: Start difference. First operand 244 states and 288 transitions. Second operand has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:14,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:14,165 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2024-11-09 12:10:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:14,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-09 12:10:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:14,167 INFO L225 Difference]: With dead ends: 244 [2024-11-09 12:10:14,167 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 12:10:14,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:10:14,167 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 125 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:14,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 220 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 12:10:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-09 12:10:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:10:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2024-11-09 12:10:14,182 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 77 [2024-11-09 12:10:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:14,183 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2024-11-09 12:10:14,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2024-11-09 12:10:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 12:10:14,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:14,184 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:14,202 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 12:10:14,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:14,386 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:14,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:14,387 INFO L85 PathProgramCache]: Analyzing trace with hash 363499112, now seen corresponding path program 1 times [2024-11-09 12:10:14,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:14,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379360962] [2024-11-09 12:10:14,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:14,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379360962] [2024-11-09 12:10:14,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379360962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061414500] [2024-11-09 12:10:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:14,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:14,516 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 12:10:14,522 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 12:10:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:14,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061414500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:14,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:14,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:10:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753420351] [2024-11-09 12:10:14,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:14,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:10:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:14,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:10:14,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:14,848 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:15,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:15,122 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2024-11-09 12:10:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:10:15,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 78 [2024-11-09 12:10:15,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:15,124 INFO L225 Difference]: With dead ends: 296 [2024-11-09 12:10:15,124 INFO L226 Difference]: Without dead ends: 287 [2024-11-09 12:10:15,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 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 12:10:15,125 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 99 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:15,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 312 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-09 12:10:15,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2024-11-09 12:10:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:10:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2024-11-09 12:10:15,143 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2024-11-09 12:10:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:15,143 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2024-11-09 12:10:15,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2024-11-09 12:10:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 12:10:15,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:15,145 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:15,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:15,348 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,SelfDestructingSolverStorable16 [2024-11-09 12:10:15,349 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:15,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:15,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1430298154, now seen corresponding path program 1 times [2024-11-09 12:10:15,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:15,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386206518] [2024-11-09 12:10:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:15,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:15,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386206518] [2024-11-09 12:10:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386206518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20729867] [2024-11-09 12:10:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:15,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:15,519 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 12:10:15,521 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 12:10:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:10:15,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:15,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:15,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20729867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:15,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:15,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 12:10:15,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852205261] [2024-11-09 12:10:15,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:15,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:15,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:15,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:15,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:15,797 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:15,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:15,910 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2024-11-09 12:10:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:15,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-09 12:10:15,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:15,912 INFO L225 Difference]: With dead ends: 253 [2024-11-09 12:10:15,912 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 12:10:15,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 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 12:10:15,913 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 82 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:15,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 151 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:15,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 12:10:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-09 12:10:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 12:10:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2024-11-09 12:10:15,928 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2024-11-09 12:10:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:15,928 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2024-11-09 12:10:15,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2024-11-09 12:10:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 12:10:15,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:15,933 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-09 12:10:15,952 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 12:10:16,133 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,SelfDestructingSolverStorable17 [2024-11-09 12:10:16,134 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:16,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash -659854547, now seen corresponding path program 1 times [2024-11-09 12:10:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:16,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893782238] [2024-11-09 12:10:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:16,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:16,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:16,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893782238] [2024-11-09 12:10:16,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893782238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:16,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524869864] [2024-11-09 12:10:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:16,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:16,357 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 12:10:16,359 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 12:10:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:10:16,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:16,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:17,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524869864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:17,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:17,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 12:10:17,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234083870] [2024-11-09 12:10:17,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:17,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:10:17,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:17,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:10:17,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:10:17,071 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:10:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:17,476 INFO L93 Difference]: Finished difference Result 338 states and 378 transitions. [2024-11-09 12:10:17,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:10:17,477 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 146 [2024-11-09 12:10:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:17,480 INFO L225 Difference]: With dead ends: 338 [2024-11-09 12:10:17,481 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 12:10:17,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 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 12:10:17,482 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 182 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:17,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 335 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:10:17,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 12:10:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 299. [2024-11-09 12:10:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 265 states have (on average 1.0641509433962264) internal successors, (282), 271 states have internal predecessors, (282), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 12:10:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2024-11-09 12:10:17,504 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 146 [2024-11-09 12:10:17,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:17,504 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2024-11-09 12:10:17,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:10:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2024-11-09 12:10:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 12:10:17,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:17,507 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-09 12:10:17,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:10:17,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:17,708 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:17,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:17,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1615306330, now seen corresponding path program 2 times [2024-11-09 12:10:17,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:17,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178721678] [2024-11-09 12:10:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:17,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:18,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:18,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178721678] [2024-11-09 12:10:18,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178721678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:18,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470624483] [2024-11-09 12:10:18,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:18,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:18,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:18,007 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 12:10:18,008 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 12:10:18,086 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:18,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:18,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:10:18,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:18,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:18,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470624483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:18,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:18,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 12:10:18,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986023978] [2024-11-09 12:10:18,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:18,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:10:18,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:18,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:10:18,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:10:18,816 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:10:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:19,353 INFO L93 Difference]: Finished difference Result 379 states and 420 transitions. [2024-11-09 12:10:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:10:19,353 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 174 [2024-11-09 12:10:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:19,358 INFO L225 Difference]: With dead ends: 379 [2024-11-09 12:10:19,359 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 12:10:19,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:10:19,360 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 281 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:19,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 506 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:19,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 12:10:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 319. [2024-11-09 12:10:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.0600706713780919) internal successors, (300), 289 states have internal predecessors, (300), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 12:10:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2024-11-09 12:10:19,381 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 174 [2024-11-09 12:10:19,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:19,383 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2024-11-09 12:10:19,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:10:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2024-11-09 12:10:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-09 12:10:19,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:19,388 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-09 12:10:19,406 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 12:10:19,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:19,589 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:19,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1470633713, now seen corresponding path program 2 times [2024-11-09 12:10:19,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:19,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475960039] [2024-11-09 12:10:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:19,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:19,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545813157] [2024-11-09 12:10:19,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:19,636 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 12:10:19,637 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 12:10:19,712 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:19,713 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:19,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:19,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:10:19,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:10:20,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:20,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475960039] [2024-11-09 12:10:20,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:20,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545813157] [2024-11-09 12:10:20,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545813157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:20,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:20,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:10:20,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846197202] [2024-11-09 12:10:20,329 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:20,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:10:20,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:20,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:10:20,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:20,331 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:10:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:20,956 INFO L93 Difference]: Finished difference Result 512 states and 565 transitions. [2024-11-09 12:10:20,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:10:20,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2024-11-09 12:10:20,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:20,960 INFO L225 Difference]: With dead ends: 512 [2024-11-09 12:10:20,960 INFO L226 Difference]: Without dead ends: 510 [2024-11-09 12:10:20,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 414 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 12:10:20,962 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 348 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:20,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 864 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:10:20,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-09 12:10:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 433. [2024-11-09 12:10:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 388 states have (on average 1.059278350515464) internal successors, (411), 394 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 483 transitions. [2024-11-09 12:10:20,989 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 483 transitions. Word has length 213 [2024-11-09 12:10:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:20,990 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 483 transitions. [2024-11-09 12:10:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:10:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 483 transitions. [2024-11-09 12:10:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 12:10:20,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:20,992 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-09 12:10:21,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:10:21,193 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,SelfDestructingSolverStorable20 [2024-11-09 12:10:21,193 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:21,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2136990639, now seen corresponding path program 2 times [2024-11-09 12:10:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:21,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031810003] [2024-11-09 12:10:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:21,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181918294] [2024-11-09 12:10:21,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:21,226 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 12:10:21,228 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 12:10:21,350 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:21,350 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:21,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:21,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:10:21,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:10:21,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:21,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031810003] [2024-11-09 12:10:21,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:21,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181918294] [2024-11-09 12:10:21,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181918294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:21,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:21,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:10:21,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936151116] [2024-11-09 12:10:21,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:21,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:10:21,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:21,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:10:21,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:21,925 INFO L87 Difference]: Start difference. First operand 433 states and 483 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:10:22,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:22,445 INFO L93 Difference]: Finished difference Result 505 states and 563 transitions. [2024-11-09 12:10:22,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:10:22,446 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 220 [2024-11-09 12:10:22,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:22,449 INFO L225 Difference]: With dead ends: 505 [2024-11-09 12:10:22,449 INFO L226 Difference]: Without dead ends: 461 [2024-11-09 12:10:22,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 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 12:10:22,450 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 344 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:22,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 866 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:22,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-09 12:10:22,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 425. [2024-11-09 12:10:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 386 states have internal predecessors, (395), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 467 transitions. [2024-11-09 12:10:22,472 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 467 transitions. Word has length 220 [2024-11-09 12:10:22,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:22,473 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 467 transitions. [2024-11-09 12:10:22,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:10:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 467 transitions. [2024-11-09 12:10:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-09 12:10:22,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:22,477 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-09 12:10:22,486 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 12:10:22,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 12:10:22,682 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:22,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:22,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1242628369, now seen corresponding path program 2 times [2024-11-09 12:10:22,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:22,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696064660] [2024-11-09 12:10:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 12:10:23,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696064660] [2024-11-09 12:10:23,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696064660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636732709] [2024-11-09 12:10:23,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:23,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:23,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:23,423 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 12:10:23,430 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 12:10:23,529 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:23,529 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:23,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:23,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-09 12:10:23,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-09 12:10:24,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636732709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:24,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:24,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-09 12:10:24,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891249167] [2024-11-09 12:10:24,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:24,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:10:24,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:24,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:10:24,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:10:24,348 INFO L87 Difference]: Start difference. First operand 425 states and 467 transitions. Second operand has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:10:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:25,856 INFO L93 Difference]: Finished difference Result 441 states and 485 transitions. [2024-11-09 12:10:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 12:10:25,857 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 338 [2024-11-09 12:10:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:25,859 INFO L225 Difference]: With dead ends: 441 [2024-11-09 12:10:25,860 INFO L226 Difference]: Without dead ends: 440 [2024-11-09 12:10:25,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 12:10:25,861 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 524 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:25,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 2177 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:10:25,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-09 12:10:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 424. [2024-11-09 12:10:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.0289473684210526) internal successors, (391), 385 states have internal predecessors, (391), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2024-11-09 12:10:25,887 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 338 [2024-11-09 12:10:25,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:25,888 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2024-11-09 12:10:25,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:10:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2024-11-09 12:10:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 12:10:25,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:25,893 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-09 12:10:25,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:26,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:26,094 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:26,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:26,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1017956802, now seen corresponding path program 3 times [2024-11-09 12:10:26,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:26,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637421260] [2024-11-09 12:10:26,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 12:10:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 12:10:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 12:10:26,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637421260] [2024-11-09 12:10:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637421260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574970364] [2024-11-09 12:10:26,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:26,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:26,842 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 12:10:26,844 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 12:10:26,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:10:26,902 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:26,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:10:26,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-11-09 12:10:27,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:28,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574970364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:28,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:28,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-09 12:10:28,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085768557] [2024-11-09 12:10:28,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:28,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:10:28,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:28,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:10:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:10:28,125 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:10:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:32,027 INFO L93 Difference]: Finished difference Result 426 states and 465 transitions. [2024-11-09 12:10:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 12:10:32,028 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 366 [2024-11-09 12:10:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:32,031 INFO L225 Difference]: With dead ends: 426 [2024-11-09 12:10:32,031 INFO L226 Difference]: Without dead ends: 408 [2024-11-09 12:10:32,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 12:10:32,034 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 557 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:32,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1265 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 12:10:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-09 12:10:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2024-11-09 12:10:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 366 states have (on average 1.010928961748634) internal successors, (370), 369 states have internal predecessors, (370), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 12:10:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2024-11-09 12:10:32,063 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 366 [2024-11-09 12:10:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:32,065 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2024-11-09 12:10:32,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:10:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2024-11-09 12:10:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-09 12:10:32,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:32,074 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-09 12:10:32,092 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 12:10:32,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:32,279 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:32,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:32,279 INFO L85 PathProgramCache]: Analyzing trace with hash 971010651, now seen corresponding path program 3 times [2024-11-09 12:10:32,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:32,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672796354] [2024-11-09 12:10:32,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 12:10:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 12:10:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-11-09 12:10:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-11-09 12:10:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-09 12:10:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-11-09 12:10:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-11-09 12:10:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-09 12:10:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-09 12:10:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-09 12:10:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1760 proven. 10 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-09 12:10:33,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:33,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672796354] [2024-11-09 12:10:33,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672796354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:33,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666862608] [2024-11-09 12:10:33,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:33,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:33,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:33,286 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:33,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:10:33,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 12:10:33,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:33,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 12:10:33,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-09 12:10:33,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:33,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666862608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:33,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:33,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 30 [2024-11-09 12:10:33,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907640595] [2024-11-09 12:10:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:33,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:10:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:33,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:10:33,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=703, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:10:33,692 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:34,395 INFO L93 Difference]: Finished difference Result 408 states and 440 transitions. [2024-11-09 12:10:34,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:10:34,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 501 [2024-11-09 12:10:34,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:34,399 INFO L225 Difference]: With dead ends: 408 [2024-11-09 12:10:34,399 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 12:10:34,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 12:10:34,401 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 113 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:34,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 87 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:10:34,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 12:10:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2024-11-09 12:10:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 12:10:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2024-11-09 12:10:34,443 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 501 [2024-11-09 12:10:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:34,444 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2024-11-09 12:10:34,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2024-11-09 12:10:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-09 12:10:34,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:34,456 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-09 12:10:34,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 12:10:34,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 12:10:34,658 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:34,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1033368999, now seen corresponding path program 3 times [2024-11-09 12:10:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:34,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819520041] [2024-11-09 12:10:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 12:10:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 12:10:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-11-09 12:10:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-11-09 12:10:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-09 12:10:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-11-09 12:10:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-11-09 12:10:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-09 12:10:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-09 12:10:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-09 12:10:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-09 12:10:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1790 proven. 10 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 12:10:35,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:35,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819520041] [2024-11-09 12:10:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819520041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:35,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367929664] [2024-11-09 12:10:35,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:35,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:35,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:35,517 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:35,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:10:35,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:10:35,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:35,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:10:35,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-11-09 12:10:36,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:53,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367929664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:53,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:53,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 8] total 31 [2024-11-09 12:10:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264988171] [2024-11-09 12:10:53,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:53,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-09 12:10:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-09 12:10:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1202, Unknown=3, NotChecked=0, Total=1406 [2024-11-09 12:10:53,083 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand has 31 states, 31 states have (on average 13.290322580645162) internal successors, (412), 31 states have internal predecessors, (412), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) [2024-11-09 12:10:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:58,091 INFO L93 Difference]: Finished difference Result 486 states and 511 transitions. [2024-11-09 12:10:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-11-09 12:10:58,091 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 13.290322580645162) internal successors, (412), 31 states have internal predecessors, (412), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) Word has length 508 [2024-11-09 12:10:58,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:58,092 INFO L225 Difference]: With dead ends: 486 [2024-11-09 12:10:58,092 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:10:58,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5836 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=3013, Invalid=16166, Unknown=3, NotChecked=0, Total=19182 [2024-11-09 12:10:58,099 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 226 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 3790 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 3858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:58,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 1004 Invalid, 3858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3790 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 12:10:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:10:58,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:10:58,102 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 12:10:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:10:58,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2024-11-09 12:10:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:58,102 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:10:58,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.290322580645162) internal successors, (412), 31 states have internal predecessors, (412), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) [2024-11-09 12:10:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:10:58,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:10:58,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-09 12:10:58,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-09 12:10:58,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-09 12:10:58,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-09 12:10:58,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-09 12:10:58,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-09 12:10:58,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-09 12:10:58,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-09 12:10:58,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-09 12:10:58,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-09 12:10:58,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-09 12:10:58,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-09 12:10:58,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-09 12:10:58,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:58,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:10:58,319 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:58,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:11:03,502 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:11:03,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:11:03 BoogieIcfgContainer [2024-11-09 12:11:03,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:11:03,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:11:03,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:11:03,536 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:11:03,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:07" (3/4) ... [2024-11-09 12:11:03,540 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:11:03,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:11:03,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 12:11:03,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 12:11:03,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 12:11:03,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:11:03,667 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:11:03,668 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:11:03,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:11:03,669 INFO L158 Benchmark]: Toolchain (without parser) took 57514.75ms. Allocated memory was 155.2MB in the beginning and 333.4MB in the end (delta: 178.3MB). Free memory was 85.1MB in the beginning and 281.0MB in the end (delta: -196.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:11:03,669 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:11:03,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.50ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 72.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.94ms. Allocated memory is still 155.2MB. Free memory was 72.3MB in the beginning and 70.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,669 INFO L158 Benchmark]: Boogie Preprocessor took 57.35ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,670 INFO L158 Benchmark]: RCFGBuilder took 594.96ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 110.0MB in the end (delta: -41.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,670 INFO L158 Benchmark]: TraceAbstraction took 56362.66ms. Allocated memory was 155.2MB in the beginning and 333.4MB in the end (delta: 178.3MB). Free memory was 109.6MB in the beginning and 286.3MB in the end (delta: -176.7MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,670 INFO L158 Benchmark]: Witness Printer took 132.03ms. Allocated memory is still 333.4MB. Free memory was 286.3MB in the beginning and 281.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:11:03,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.50ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 72.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.94ms. Allocated memory is still 155.2MB. Free memory was 72.3MB in the beginning and 70.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.35ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.96ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 110.0MB in the end (delta: -41.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 56362.66ms. Allocated memory was 155.2MB in the beginning and 333.4MB in the end (delta: 178.3MB). Free memory was 109.6MB in the beginning and 286.3MB in the end (delta: -176.7MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * Witness Printer took 132.03ms. Allocated memory is still 333.4MB. Free memory was 286.3MB in the beginning and 281.0MB in the end (delta: 5.3MB). 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 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: 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: 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: 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: 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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, 125 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 51.1s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4301 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4227 mSDsluCounter, 11312 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8770 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12715 IncrementalHoareTripleChecker+Invalid, 13325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 2542 mSDtfsCounter, 12715 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5207 GetRequests, 4760 SyntacticMatches, 0 SemanticMatches, 447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8538 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=21, InterpolantAutomatonStates: 345, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 6292 NumberOfCodeBlocks, 5093 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 7085 ConstructedInterpolants, 4 QuantifiedInterpolants, 27394 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3120 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 48 InterpolantComputations, 14 PerfectInterpolantSequences, 24288/28665 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 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((((n <= 2147483647) && (counter <= 10)) && (9 <= counter)) && (3 <= t)) && (1 <= a)) && ((((__int128) a * a) + ((__int128) 2 * a)) <= 9223372036854775806)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || ((((((n <= 2147483647) && (counter <= 10)) && (16 == s)) && (7 == t)) && (3 == a)) && (3 <= counter))) || ((((((n <= 2147483647) && (2 <= counter)) && (counter <= 10)) && (5 == t)) && (9 == s)) && (2 == a))) || ((((((((n <= 2147483647) && (counter <= 10)) && (3 <= t)) && (1 <= a)) && (8 <= counter)) && (s <= ((__int128) 2147483647 + t))) && ((((__int128) a * a) + ((__int128) a * 4)) <= 9223372036854775803)) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || (((((((((n <= 2147483647) && (counter <= 10)) && ((((long long) n * 4) + ((__int128) 2 * t)) <= ((__int128) 8589934574 + s))) && (3 <= t)) && (1 <= a)) && (5 <= counter)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) && ((((__int128) a * 10) + ((__int128) a * a)) <= 9223372036854775782))) || (((((((n <= 2147483647) && (counter == 10)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || ((((((n <= 2147483647) && (counter <= 10)) && (s == 25)) && (9 == t)) && (4 <= counter)) && (a == 4))) || (((((((((n <= 2147483647) && (counter <= 10)) && (6 <= counter)) && (3 <= t)) && (1 <= a)) && ((((__int128) a * 8) + ((__int128) a * a)) <= 9223372036854775791)) && ((((__int128) 3 * t) + ((long long) n * 4)) <= ((__int128) 8589934578 + s))) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || ((((((n <= 2147483647) && (counter <= 10)) && (3 == t)) && (a == 1)) && (1 <= counter)) && (s == 4))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) || ((((((((n <= 2147483647) && (counter <= 10)) && (3 <= t)) && (1 <= a)) && (7 <= counter)) && ((((__int128) a * a) + ((__int128) 6 * a)) <= 9223372036854775798)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || (counter < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:11:03,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE