./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/cohencu-ll_valuebound1.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 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:01:31,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:01:31,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:01:31,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:01:31,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:01:31,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:01:31,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:01:31,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:01:31,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:01:31,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:01:31,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:01:31,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:01:31,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:01:31,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:01:31,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:01:31,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:01:31,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:01:31,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:01:31,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:01:31,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:01:31,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:01:31,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:01:31,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:01:31,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:01:31,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:01:31,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:01:31,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:01:31,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:01:31,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:01:31,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:01:31,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:01:31,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:01:31,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:01:31,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:01:31,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:01:31,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:01:31,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:01:31,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:01:31,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d [2024-11-10 19:01:32,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:01:32,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:01:32,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:01:32,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:01:32,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:01:32,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-11-10 19:01:33,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:01:33,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:01:33,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-11-10 19:01:33,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbea1e93a/10e9a132f70c42d493b1a171af5c3d94/FLAG07dab19e8 [2024-11-10 19:01:33,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbea1e93a/10e9a132f70c42d493b1a171af5c3d94 [2024-11-10 19:01:33,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:01:33,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:01:33,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:01:33,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:01:33,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:01:33,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b9ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33, skipping insertion in model container [2024-11-10 19:01:33,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:01:33,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:01:33,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:01:33,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:01:33,635 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:01:33,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33 WrapperNode [2024-11-10 19:01:33,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:01:33,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:01:33,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:01:33,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:01:33,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,667 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 191 [2024-11-10 19:01:33,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:01:33,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:01:33,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:01:33,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:01:33,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,688 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]. [2024-11-10 19:01:33,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,692 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:01:33,697 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:01:33,697 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:01:33,697 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:01:33,698 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (1/1) ... [2024-11-10 19:01:33,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:01:33,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:33,736 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) [2024-11-10 19:01:33,739 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 [2024-11-10 19:01:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:01:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:01:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:01:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:01:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:01:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:01:33,827 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:01:33,830 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:01:34,535 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-10 19:01:34,536 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:01:34,559 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:01:34,560 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:01:34,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:01:34 BoogieIcfgContainer [2024-11-10 19:01:34,560 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:01:34,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:01:34,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:01:34,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:01:34,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:01:33" (1/3) ... [2024-11-10 19:01:34,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eecdc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:01:34, skipping insertion in model container [2024-11-10 19:01:34,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:33" (2/3) ... [2024-11-10 19:01:34,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eecdc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:01:34, skipping insertion in model container [2024-11-10 19:01:34,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:01:34" (3/3) ... [2024-11-10 19:01:34,570 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound1.c [2024-11-10 19:01:34,583 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:01:34,583 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-11-10 19:01:34,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:01:34,648 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;@1c332382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:01:34,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-10 19:01:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 308 states, 157 states have (on average 1.910828025477707) internal successors, (300), 295 states have internal predecessors, (300), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:01:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:01:34,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:34,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:01:34,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:34,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:34,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1289922692, now seen corresponding path program 1 times [2024-11-10 19:01:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:34,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886143458] [2024-11-10 19:01:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:01:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886143458] [2024-11-10 19:01:34,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886143458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:34,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:34,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:34,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667719101] [2024-11-10 19:01:34,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:34,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:01:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:34,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:01:34,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:01:34,820 INFO L87 Difference]: Start difference. First operand has 308 states, 157 states have (on average 1.910828025477707) internal successors, (300), 295 states have internal predecessors, (300), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:34,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:34,866 INFO L93 Difference]: Finished difference Result 605 states and 650 transitions. [2024-11-10 19:01:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:01:34,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:01:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:34,876 INFO L225 Difference]: With dead ends: 605 [2024-11-10 19:01:34,877 INFO L226 Difference]: Without dead ends: 294 [2024-11-10 19:01:34,882 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 [2024-11-10 19:01:34,884 INFO L432 NwaCegarLoop]: 310 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, 310 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 [2024-11-10 19:01:34,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:01:34,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-10 19:01:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-10 19:01:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 152 states have (on average 1.861842105263158) internal successors, (283), 282 states have internal predecessors, (283), 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) [2024-11-10 19:01:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 303 transitions. [2024-11-10 19:01:34,941 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 303 transitions. Word has length 6 [2024-11-10 19:01:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:34,941 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 303 transitions. [2024-11-10 19:01:34,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 303 transitions. [2024-11-10 19:01:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:01:34,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:34,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:34,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:01:34,942 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:34,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:34,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1333824394, now seen corresponding path program 1 times [2024-11-10 19:01:34,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:34,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334889977] [2024-11-10 19:01:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:34,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:01:35,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334889977] [2024-11-10 19:01:35,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334889977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:35,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:35,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:35,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570797404] [2024-11-10 19:01:35,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:35,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:35,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:35,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:35,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:35,029 INFO L87 Difference]: Start difference. First operand 294 states and 303 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) [2024-11-10 19:01:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:35,155 INFO L93 Difference]: Finished difference Result 565 states and 584 transitions. [2024-11-10 19:01:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:35,155 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 [2024-11-10 19:01:35,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:35,158 INFO L225 Difference]: With dead ends: 565 [2024-11-10 19:01:35,158 INFO L226 Difference]: Without dead ends: 545 [2024-11-10 19:01:35,159 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 [2024-11-10 19:01:35,159 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 238 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:35,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 530 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:35,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-10 19:01:35,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 354. [2024-11-10 19:01:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 207 states have (on average 1.7681159420289856) internal successors, (366), 337 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:01:35,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 396 transitions. [2024-11-10 19:01:35,185 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 396 transitions. Word has length 7 [2024-11-10 19:01:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:35,186 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 396 transitions. [2024-11-10 19:01:35,186 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) [2024-11-10 19:01:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 396 transitions. [2024-11-10 19:01:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:01:35,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:35,187 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] [2024-11-10 19:01:35,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:01:35,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:35,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:35,188 INFO L85 PathProgramCache]: Analyzing trace with hash 192200546, now seen corresponding path program 1 times [2024-11-10 19:01:35,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:35,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137356981] [2024-11-10 19:01:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:35,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:35,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [304240700] [2024-11-10 19:01:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:35,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:35,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:35,234 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) [2024-11-10 19:01:35,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:01:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:35,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:35,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:35,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:35,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:35,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137356981] [2024-11-10 19:01:35,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:35,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304240700] [2024-11-10 19:01:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304240700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:35,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029525977] [2024-11-10 19:01:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:35,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:35,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:35,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:35,449 INFO L87 Difference]: Start difference. First operand 354 states and 396 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-10 19:01:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:35,885 INFO L93 Difference]: Finished difference Result 517 states and 574 transitions. [2024-11-10 19:01:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:35,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-11-10 19:01:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:35,887 INFO L225 Difference]: With dead ends: 517 [2024-11-10 19:01:35,890 INFO L226 Difference]: Without dead ends: 462 [2024-11-10 19:01:35,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:35,891 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:35,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 274 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:35,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-10 19:01:35,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 441. [2024-11-10 19:01:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 289 states have (on average 1.6297577854671281) internal successors, (471), 419 states have internal predecessors, (471), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 511 transitions. [2024-11-10 19:01:35,907 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 511 transitions. Word has length 40 [2024-11-10 19:01:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:35,907 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 511 transitions. [2024-11-10 19:01:35,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-10 19:01:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 511 transitions. [2024-11-10 19:01:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:01:35,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:35,908 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] [2024-11-10 19:01:35,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:01:36,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:36,109 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:36,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash 21138112, now seen corresponding path program 1 times [2024-11-10 19:01:36,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:36,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525208900] [2024-11-10 19:01:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:36,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:36,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525208900] [2024-11-10 19:01:36,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525208900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:36,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:36,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:36,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131663735] [2024-11-10 19:01:36,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:36,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:36,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:36,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:36,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:36,214 INFO L87 Difference]: Start difference. First operand 441 states and 511 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-10 19:01:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:36,643 INFO L93 Difference]: Finished difference Result 474 states and 518 transitions. [2024-11-10 19:01:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2024-11-10 19:01:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:36,645 INFO L225 Difference]: With dead ends: 474 [2024-11-10 19:01:36,645 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 19:01:36,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:36,646 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 122 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:36,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 435 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 19:01:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 441. [2024-11-10 19:01:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 289 states have (on average 1.5501730103806228) internal successors, (448), 419 states have internal predecessors, (448), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 488 transitions. [2024-11-10 19:01:36,664 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 488 transitions. Word has length 42 [2024-11-10 19:01:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:36,664 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 488 transitions. [2024-11-10 19:01:36,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-10 19:01:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 488 transitions. [2024-11-10 19:01:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:01:36,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:36,669 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] [2024-11-10 19:01:36,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:01:36,669 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:36,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:36,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1161103842, now seen corresponding path program 1 times [2024-11-10 19:01:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:36,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321160644] [2024-11-10 19:01:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:36,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:36,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321160644] [2024-11-10 19:01:36,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321160644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:36,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:36,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:36,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846497162] [2024-11-10 19:01:36,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:36,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:36,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:36,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:36,756 INFO L87 Difference]: Start difference. First operand 441 states and 488 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-10 19:01:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:37,803 INFO L93 Difference]: Finished difference Result 453 states and 495 transitions. [2024-11-10 19:01:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:37,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 44 [2024-11-10 19:01:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:37,805 INFO L225 Difference]: With dead ends: 453 [2024-11-10 19:01:37,805 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 19:01:37,806 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 [2024-11-10 19:01:37,806 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 258 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:37,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 377 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:01:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 19:01:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 441. [2024-11-10 19:01:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 289 states have (on average 1.5432525951557095) internal successors, (446), 419 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 486 transitions. [2024-11-10 19:01:37,816 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 486 transitions. Word has length 44 [2024-11-10 19:01:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:37,816 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 486 transitions. [2024-11-10 19:01:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-10 19:01:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 486 transitions. [2024-11-10 19:01:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:01:37,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:37,817 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] [2024-11-10 19:01:37,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:01:37,817 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:37,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1634480519, now seen corresponding path program 1 times [2024-11-10 19:01:37,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:37,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882925525] [2024-11-10 19:01:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:37,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:37,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:37,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882925525] [2024-11-10 19:01:37,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882925525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:37,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:37,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:37,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955461343] [2024-11-10 19:01:37,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:37,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:37,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:37,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:37,965 INFO L87 Difference]: Start difference. First operand 441 states and 486 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-11-10 19:01:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:39,754 INFO L93 Difference]: Finished difference Result 453 states and 493 transitions. [2024-11-10 19:01:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:39,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 45 [2024-11-10 19:01:39,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:39,756 INFO L225 Difference]: With dead ends: 453 [2024-11-10 19:01:39,756 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 19:01:39,756 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 [2024-11-10 19:01:39,757 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 257 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:39,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 379 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:01:39,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 19:01:39,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 441. [2024-11-10 19:01:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 289 states have (on average 1.5363321799307958) internal successors, (444), 419 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 484 transitions. [2024-11-10 19:01:39,774 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 484 transitions. Word has length 45 [2024-11-10 19:01:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:39,774 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 484 transitions. [2024-11-10 19:01:39,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-11-10 19:01:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 484 transitions. [2024-11-10 19:01:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:01:39,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:39,776 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] [2024-11-10 19:01:39,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:01:39,776 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:39,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash -764695334, now seen corresponding path program 1 times [2024-11-10 19:01:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:39,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850682583] [2024-11-10 19:01:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:39,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159520968] [2024-11-10 19:01:39,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:39,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:39,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:39,802 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) [2024-11-10 19:01:39,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:01:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:39,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:01:39,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:40,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:40,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:40,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850682583] [2024-11-10 19:01:40,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:40,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159520968] [2024-11-10 19:01:40,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159520968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:40,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:40,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:40,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599474102] [2024-11-10 19:01:40,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:40,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:40,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:40,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:40,025 INFO L87 Difference]: Start difference. First operand 441 states and 484 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-10 19:01:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:40,422 INFO L93 Difference]: Finished difference Result 458 states and 491 transitions. [2024-11-10 19:01:40,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:40,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 48 [2024-11-10 19:01:40,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:40,424 INFO L225 Difference]: With dead ends: 458 [2024-11-10 19:01:40,424 INFO L226 Difference]: Without dead ends: 449 [2024-11-10 19:01:40,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:40,425 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 114 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:40,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 265 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:40,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-10 19:01:40,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 444. [2024-11-10 19:01:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 292 states have (on average 1.5102739726027397) internal successors, (441), 422 states have internal predecessors, (441), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 481 transitions. [2024-11-10 19:01:40,433 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 481 transitions. Word has length 48 [2024-11-10 19:01:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:40,434 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 481 transitions. [2024-11-10 19:01:40,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-10 19:01:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 481 transitions. [2024-11-10 19:01:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:01:40,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:40,435 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] [2024-11-10 19:01:40,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:40,635 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,SelfDestructingSolverStorable6 [2024-11-10 19:01:40,636 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:40,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2064248629, now seen corresponding path program 1 times [2024-11-10 19:01:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942237102] [2024-11-10 19:01:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:40,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:40,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942237102] [2024-11-10 19:01:40,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942237102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:40,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:40,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:40,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515338104] [2024-11-10 19:01:40,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:40,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:40,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:40,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:40,735 INFO L87 Difference]: Start difference. First operand 444 states and 481 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) [2024-11-10 19:01:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:41,269 INFO L93 Difference]: Finished difference Result 457 states and 482 transitions. [2024-11-10 19:01:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:41,269 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 [2024-11-10 19:01:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:41,271 INFO L225 Difference]: With dead ends: 457 [2024-11-10 19:01:41,271 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 19:01:41,271 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 [2024-11-10 19:01:41,272 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 136 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:41,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 396 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 19:01:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 444. [2024-11-10 19:01:41,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 292 states have (on average 1.4897260273972603) internal successors, (435), 422 states have internal predecessors, (435), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 475 transitions. [2024-11-10 19:01:41,281 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 475 transitions. Word has length 49 [2024-11-10 19:01:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:41,281 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 475 transitions. [2024-11-10 19:01:41,281 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) [2024-11-10 19:01:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 475 transitions. [2024-11-10 19:01:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:01:41,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:41,282 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, 1, 1, 1] [2024-11-10 19:01:41,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:01:41,283 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:41,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash -104493071, now seen corresponding path program 1 times [2024-11-10 19:01:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:41,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983984339] [2024-11-10 19:01:41,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:41,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:41,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:41,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983984339] [2024-11-10 19:01:41,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983984339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:41,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:41,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:41,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125610612] [2024-11-10 19:01:41,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:41,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:41,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:41,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:41,399 INFO L87 Difference]: Start difference. First operand 444 states and 475 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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) [2024-11-10 19:01:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:42,184 INFO L93 Difference]: Finished difference Result 455 states and 476 transitions. [2024-11-10 19:01:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:42,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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 [2024-11-10 19:01:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:42,185 INFO L225 Difference]: With dead ends: 455 [2024-11-10 19:01:42,185 INFO L226 Difference]: Without dead ends: 382 [2024-11-10 19:01:42,186 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 [2024-11-10 19:01:42,186 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 121 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:42,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 359 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:01:42,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-10 19:01:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2024-11-10 19:01:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 229 states have (on average 1.5982532751091703) internal successors, (366), 359 states have internal predecessors, (366), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 400 transitions. [2024-11-10 19:01:42,193 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 400 transitions. Word has length 53 [2024-11-10 19:01:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:42,194 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 400 transitions. [2024-11-10 19:01:42,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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) [2024-11-10 19:01:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 400 transitions. [2024-11-10 19:01:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:01:42,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:42,195 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:42,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:01:42,195 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:42,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:42,195 INFO L85 PathProgramCache]: Analyzing trace with hash 109225509, now seen corresponding path program 1 times [2024-11-10 19:01:42,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:42,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399537666] [2024-11-10 19:01:42,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:42,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:01:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:42,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:42,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399537666] [2024-11-10 19:01:42,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399537666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:42,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:42,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:42,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152821586] [2024-11-10 19:01:42,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:42,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:42,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:42,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:42,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:42,273 INFO L87 Difference]: Start difference. First operand 378 states and 400 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:01:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:42,521 INFO L93 Difference]: Finished difference Result 378 states and 400 transitions. [2024-11-10 19:01:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:42,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2024-11-10 19:01:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:42,526 INFO L225 Difference]: With dead ends: 378 [2024-11-10 19:01:42,526 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 19:01:42,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:42,527 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 203 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:42,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 275 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 19:01:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2024-11-10 19:01:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 229 states have (on average 1.5807860262008733) internal successors, (362), 357 states have internal predecessors, (362), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 396 transitions. [2024-11-10 19:01:42,534 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 396 transitions. Word has length 88 [2024-11-10 19:01:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:42,534 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 396 transitions. [2024-11-10 19:01:42,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:01:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 396 transitions. [2024-11-10 19:01:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:01:42,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:42,535 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:42,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:01:42,536 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:42,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:42,536 INFO L85 PathProgramCache]: Analyzing trace with hash -908976383, now seen corresponding path program 1 times [2024-11-10 19:01:42,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:42,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901153201] [2024-11-10 19:01:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:42,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:01:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:42,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901153201] [2024-11-10 19:01:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901153201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:01:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456636414] [2024-11-10 19:01:42,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:42,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:42,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:42,617 INFO L87 Difference]: Start difference. First operand 376 states and 396 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:01:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:42,824 INFO L93 Difference]: Finished difference Result 380 states and 396 transitions. [2024-11-10 19:01:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:42,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89 [2024-11-10 19:01:42,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:42,825 INFO L225 Difference]: With dead ends: 380 [2024-11-10 19:01:42,826 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 19:01:42,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:42,826 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 49 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:42,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 752 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:42,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 19:01:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 374. [2024-11-10 19:01:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 227 states have (on average 1.577092511013216) internal successors, (358), 355 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 392 transitions. [2024-11-10 19:01:42,834 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 392 transitions. Word has length 89 [2024-11-10 19:01:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:42,834 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 392 transitions. [2024-11-10 19:01:42,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:01:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 392 transitions. [2024-11-10 19:01:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:01:42,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:42,835 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:42,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 19:01:42,835 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:42,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:42,836 INFO L85 PathProgramCache]: Analyzing trace with hash 925853768, now seen corresponding path program 1 times [2024-11-10 19:01:42,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:42,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749381847] [2024-11-10 19:01:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:42,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:42,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:42,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749381847] [2024-11-10 19:01:42,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749381847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:42,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:42,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450263577] [2024-11-10 19:01:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:42,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:42,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:42,892 INFO L87 Difference]: Start difference. First operand 374 states and 392 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:43,279 INFO L93 Difference]: Finished difference Result 374 states and 392 transitions. [2024-11-10 19:01:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:43,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-11-10 19:01:43,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:43,281 INFO L225 Difference]: With dead ends: 374 [2024-11-10 19:01:43,281 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 19:01:43,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:43,281 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 137 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:43,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 157 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:43,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 19:01:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2024-11-10 19:01:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 227 states have (on average 1.5462555066079295) internal successors, (351), 348 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 385 transitions. [2024-11-10 19:01:43,289 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 385 transitions. Word has length 88 [2024-11-10 19:01:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:43,289 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 385 transitions. [2024-11-10 19:01:43,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 385 transitions. [2024-11-10 19:01:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:01:43,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:43,290 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:43,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:01:43,291 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:43,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:43,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1363304116, now seen corresponding path program 1 times [2024-11-10 19:01:43,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:43,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115578982] [2024-11-10 19:01:43,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:43,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:43,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115578982] [2024-11-10 19:01:43,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115578982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:43,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:43,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57513965] [2024-11-10 19:01:43,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:43,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:43,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:43,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:43,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:43,337 INFO L87 Difference]: Start difference. First operand 367 states and 385 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:43,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:43,859 INFO L93 Difference]: Finished difference Result 372 states and 390 transitions. [2024-11-10 19:01:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:43,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-10 19:01:43,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:43,861 INFO L225 Difference]: With dead ends: 372 [2024-11-10 19:01:43,861 INFO L226 Difference]: Without dead ends: 371 [2024-11-10 19:01:43,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:43,862 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 19 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:43,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 397 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-10 19:01:43,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2024-11-10 19:01:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 230 states have (on average 1.5391304347826087) internal successors, (354), 351 states have internal predecessors, (354), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 388 transitions. [2024-11-10 19:01:43,871 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 388 transitions. Word has length 89 [2024-11-10 19:01:43,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:43,871 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 388 transitions. [2024-11-10 19:01:43,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 388 transitions. [2024-11-10 19:01:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:01:43,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:43,872 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:43,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:01:43,872 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:43,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:43,873 INFO L85 PathProgramCache]: Analyzing trace with hash -377815742, now seen corresponding path program 1 times [2024-11-10 19:01:43,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:43,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517741463] [2024-11-10 19:01:43,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:43,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:43,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:43,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517741463] [2024-11-10 19:01:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517741463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645069158] [2024-11-10 19:01:43,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:43,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:43,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:43,933 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) [2024-11-10 19:01:43,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:01:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:43,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:01:43,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:44,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:44,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645069158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:44,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:44,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:01:44,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149809816] [2024-11-10 19:01:44,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:44,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:44,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:44,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:44,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:44,055 INFO L87 Difference]: Start difference. First operand 370 states and 388 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:44,142 INFO L93 Difference]: Finished difference Result 372 states and 388 transitions. [2024-11-10 19:01:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:44,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 93 [2024-11-10 19:01:44,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:44,144 INFO L225 Difference]: With dead ends: 372 [2024-11-10 19:01:44,144 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:01:44,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:44,145 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 421 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:44,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 373 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:01:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2024-11-10 19:01:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 230 states have (on average 1.5043478260869565) internal successors, (346), 343 states have internal predecessors, (346), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 380 transitions. [2024-11-10 19:01:44,153 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 380 transitions. Word has length 93 [2024-11-10 19:01:44,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:44,154 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 380 transitions. [2024-11-10 19:01:44,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 380 transitions. [2024-11-10 19:01:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 19:01:44,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:44,154 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:44,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:01:44,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:44,355 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:44,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:44,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1172614148, now seen corresponding path program 1 times [2024-11-10 19:01:44,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:44,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386405133] [2024-11-10 19:01:44,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:44,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:44,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:44,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386405133] [2024-11-10 19:01:44,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386405133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:44,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220325963] [2024-11-10 19:01:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:44,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:44,433 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) [2024-11-10 19:01:44,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:01:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:44,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:01:44,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:44,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:44,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220325963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:44,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:44,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:01:44,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673454760] [2024-11-10 19:01:44,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:44,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:01:44,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:44,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:01:44,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:44,669 INFO L87 Difference]: Start difference. First operand 362 states and 380 transitions. Second operand has 7 states, 6 states have (on average 31.833333333333332) internal successors, (191), 7 states have internal predecessors, (191), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:01:44,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:44,825 INFO L93 Difference]: Finished difference Result 630 states and 668 transitions. [2024-11-10 19:01:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:44,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.833333333333332) internal successors, (191), 7 states have internal predecessors, (191), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 94 [2024-11-10 19:01:44,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:44,827 INFO L225 Difference]: With dead ends: 630 [2024-11-10 19:01:44,827 INFO L226 Difference]: Without dead ends: 622 [2024-11-10 19:01:44,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:44,828 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 652 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:44,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 748 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:44,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-10 19:01:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 429. [2024-11-10 19:01:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 298 states have (on average 1.4865771812080537) internal successors, (443), 405 states have internal predecessors, (443), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:01:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2024-11-10 19:01:44,840 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 94 [2024-11-10 19:01:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:44,841 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2024-11-10 19:01:44,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.833333333333332) internal successors, (191), 7 states have internal predecessors, (191), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:01:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2024-11-10 19:01:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 19:01:44,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:44,842 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:44,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:01:45,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:01:45,043 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:45,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash 884784699, now seen corresponding path program 1 times [2024-11-10 19:01:45,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:45,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015520050] [2024-11-10 19:01:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:45,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:01:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 19:01:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:01:45,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:45,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015520050] [2024-11-10 19:01:45,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015520050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:45,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:45,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:01:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752932119] [2024-11-10 19:01:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:45,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:45,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:45,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:45,173 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:45,472 INFO L93 Difference]: Finished difference Result 435 states and 490 transitions. [2024-11-10 19:01:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-11-10 19:01:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:45,475 INFO L225 Difference]: With dead ends: 435 [2024-11-10 19:01:45,475 INFO L226 Difference]: Without dead ends: 409 [2024-11-10 19:01:45,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:45,475 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 242 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:45,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 428 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:01:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-10 19:01:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2024-11-10 19:01:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 280 states have (on average 1.5107142857142857) internal successors, (423), 387 states have internal predecessors, (423), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 463 transitions. [2024-11-10 19:01:45,485 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 463 transitions. Word has length 105 [2024-11-10 19:01:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:45,485 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 463 transitions. [2024-11-10 19:01:45,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 463 transitions. [2024-11-10 19:01:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 19:01:45,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:45,486 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:45,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:01:45,486 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:45,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:45,487 INFO L85 PathProgramCache]: Analyzing trace with hash -430052963, now seen corresponding path program 1 times [2024-11-10 19:01:45,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:45,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778406749] [2024-11-10 19:01:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:45,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:45,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268297565] [2024-11-10 19:01:45,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:45,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:45,507 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) [2024-11-10 19:01:45,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:01:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:45,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:45,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:45,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:45,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:45,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778406749] [2024-11-10 19:01:45,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:45,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268297565] [2024-11-10 19:01:45,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268297565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:45,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:45,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:01:45,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606728733] [2024-11-10 19:01:45,767 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:45,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:45,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:45,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:45,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:01:45,768 INFO L87 Difference]: Start difference. First operand 409 states and 463 transitions. Second operand has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:01:45,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:45,908 INFO L93 Difference]: Finished difference Result 610 states and 640 transitions. [2024-11-10 19:01:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:45,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-11-10 19:01:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:45,911 INFO L225 Difference]: With dead ends: 610 [2024-11-10 19:01:45,911 INFO L226 Difference]: Without dead ends: 605 [2024-11-10 19:01:45,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:45,912 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 1060 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:45,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 803 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-10 19:01:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 414. [2024-11-10 19:01:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 288 states have (on average 1.46875) internal successors, (423), 391 states have internal predecessors, (423), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:01:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 465 transitions. [2024-11-10 19:01:45,922 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 465 transitions. Word has length 105 [2024-11-10 19:01:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:45,923 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 465 transitions. [2024-11-10 19:01:45,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:01:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 465 transitions. [2024-11-10 19:01:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 19:01:45,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:45,924 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:45,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:01:46,127 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,SelfDestructingSolverStorable16 [2024-11-10 19:01:46,127 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:46,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:46,128 INFO L85 PathProgramCache]: Analyzing trace with hash 220292266, now seen corresponding path program 1 times [2024-11-10 19:01:46,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:46,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829884979] [2024-11-10 19:01:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:46,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:46,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663069312] [2024-11-10 19:01:46,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:46,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:46,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:46,144 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) [2024-11-10 19:01:46,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:01:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:01:46,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:46,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:46,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:46,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829884979] [2024-11-10 19:01:46,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:46,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663069312] [2024-11-10 19:01:46,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663069312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:46,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:46,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:01:46,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661440200] [2024-11-10 19:01:46,568 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:46,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:46,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:46,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:46,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:46,569 INFO L87 Difference]: Start difference. First operand 414 states and 465 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:47,467 INFO L93 Difference]: Finished difference Result 542 states and 630 transitions. [2024-11-10 19:01:47,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:47,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 126 [2024-11-10 19:01:47,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:47,469 INFO L225 Difference]: With dead ends: 542 [2024-11-10 19:01:47,470 INFO L226 Difference]: Without dead ends: 517 [2024-11-10 19:01:47,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:47,470 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 137 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:47,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 342 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:01:47,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-10 19:01:47,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 499. [2024-11-10 19:01:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 368 states have (on average 1.483695652173913) internal successors, (546), 471 states have internal predecessors, (546), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:01:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 598 transitions. [2024-11-10 19:01:47,482 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 598 transitions. Word has length 126 [2024-11-10 19:01:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:47,482 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 598 transitions. [2024-11-10 19:01:47,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 598 transitions. [2024-11-10 19:01:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 19:01:47,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:47,484 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:47,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:01:47,684 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,SelfDestructingSolverStorable17 [2024-11-10 19:01:47,684 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:47,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1760874123, now seen corresponding path program 1 times [2024-11-10 19:01:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:47,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12111391] [2024-11-10 19:01:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308522967] [2024-11-10 19:01:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:47,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:47,703 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) [2024-11-10 19:01:47,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:01:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:47,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:01:47,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:47,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:48,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12111391] [2024-11-10 19:01:48,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308522967] [2024-11-10 19:01:48,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308522967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:48,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:48,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:01:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761940945] [2024-11-10 19:01:48,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:48,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:48,870 INFO L87 Difference]: Start difference. First operand 499 states and 598 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:49,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:49,655 INFO L93 Difference]: Finished difference Result 533 states and 605 transitions. [2024-11-10 19:01:49,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:49,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 127 [2024-11-10 19:01:49,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:49,657 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:01:49,657 INFO L226 Difference]: Without dead ends: 517 [2024-11-10 19:01:49,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:49,658 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:49,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 413 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:01:49,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-10 19:01:49,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 499. [2024-11-10 19:01:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 368 states have (on average 1.440217391304348) internal successors, (530), 471 states have internal predecessors, (530), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:01:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 582 transitions. [2024-11-10 19:01:49,667 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 582 transitions. Word has length 127 [2024-11-10 19:01:49,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 582 transitions. [2024-11-10 19:01:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 582 transitions. [2024-11-10 19:01:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 19:01:49,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:49,669 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:49,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:01:49,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:49,870 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:49,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1247477256, now seen corresponding path program 1 times [2024-11-10 19:01:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:49,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573526777] [2024-11-10 19:01:49,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:01:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:01:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:01:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:49,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573526777] [2024-11-10 19:01:49,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573526777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578647208] [2024-11-10 19:01:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:49,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:49,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:49,957 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) [2024-11-10 19:01:49,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:01:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:50,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:50,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:50,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:50,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578647208] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:50,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:50,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 19:01:50,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027198163] [2024-11-10 19:01:50,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:50,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:01:50,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:50,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:01:50,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:50,296 INFO L87 Difference]: Start difference. First operand 499 states and 582 transitions. Second operand has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:51,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:51,058 INFO L93 Difference]: Finished difference Result 517 states and 589 transitions. [2024-11-10 19:01:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:51,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 128 [2024-11-10 19:01:51,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:51,060 INFO L225 Difference]: With dead ends: 517 [2024-11-10 19:01:51,060 INFO L226 Difference]: Without dead ends: 512 [2024-11-10 19:01:51,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:01:51,061 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 340 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:51,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 609 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-10 19:01:51,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 495. [2024-11-10 19:01:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 368 states have (on average 1.4157608695652173) internal successors, (521), 467 states have internal predecessors, (521), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:01:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 573 transitions. [2024-11-10 19:01:51,071 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 573 transitions. Word has length 128 [2024-11-10 19:01:51,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:51,071 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 573 transitions. [2024-11-10 19:01:51,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 573 transitions. [2024-11-10 19:01:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-10 19:01:51,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:51,072 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:51,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:51,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:51,273 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:51,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 17089491, now seen corresponding path program 1 times [2024-11-10 19:01:51,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:51,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251850416] [2024-11-10 19:01:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:01:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:01:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:01:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:51,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:51,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251850416] [2024-11-10 19:01:51,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251850416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:51,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385704341] [2024-11-10 19:01:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:51,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:51,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:51,359 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) [2024-11-10 19:01:51,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:01:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:51,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:51,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:51,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385704341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:51,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 19:01:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587596037] [2024-11-10 19:01:51,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:51,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:01:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:01:51,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:51,714 INFO L87 Difference]: Start difference. First operand 495 states and 573 transitions. Second operand has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:52,407 INFO L93 Difference]: Finished difference Result 513 states and 580 transitions. [2024-11-10 19:01:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:52,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 129 [2024-11-10 19:01:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:52,409 INFO L225 Difference]: With dead ends: 513 [2024-11-10 19:01:52,409 INFO L226 Difference]: Without dead ends: 508 [2024-11-10 19:01:52,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:01:52,409 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 466 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:52,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 428 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-10 19:01:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 491. [2024-11-10 19:01:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 368 states have (on average 1.391304347826087) internal successors, (512), 463 states have internal predecessors, (512), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:01:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 564 transitions. [2024-11-10 19:01:52,419 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 564 transitions. Word has length 129 [2024-11-10 19:01:52,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:52,419 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 564 transitions. [2024-11-10 19:01:52,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 564 transitions. [2024-11-10 19:01:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:01:52,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:52,420 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:52,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:52,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:52,621 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:52,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 529774438, now seen corresponding path program 1 times [2024-11-10 19:01:52,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:52,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653457358] [2024-11-10 19:01:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:52,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634926541] [2024-11-10 19:01:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:52,642 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) [2024-11-10 19:01:52,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:01:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:52,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:01:52,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:53,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:53,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:53,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653457358] [2024-11-10 19:01:53,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:53,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634926541] [2024-11-10 19:01:53,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634926541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:53,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:53,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:01:53,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023572335] [2024-11-10 19:01:53,324 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:53,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:53,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:53,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:53,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:53,325 INFO L87 Difference]: Start difference. First operand 491 states and 564 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:53,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:53,966 INFO L93 Difference]: Finished difference Result 512 states and 571 transitions. [2024-11-10 19:01:53,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:53,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 130 [2024-11-10 19:01:53,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:53,968 INFO L225 Difference]: With dead ends: 512 [2024-11-10 19:01:53,968 INFO L226 Difference]: Without dead ends: 497 [2024-11-10 19:01:53,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:53,969 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 116 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:53,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 356 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:53,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-10 19:01:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2024-11-10 19:01:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 371 states have (on average 1.3557951482479784) internal successors, (503), 466 states have internal predecessors, (503), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:01:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 555 transitions. [2024-11-10 19:01:53,978 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 555 transitions. Word has length 130 [2024-11-10 19:01:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:53,978 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 555 transitions. [2024-11-10 19:01:53,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 555 transitions. [2024-11-10 19:01:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:01:53,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:53,979 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:53,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:01:54,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:01:54,179 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:01:54,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:54,180 INFO L85 PathProgramCache]: Analyzing trace with hash -756861391, now seen corresponding path program 1 times [2024-11-10 19:01:54,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:54,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523382603] [2024-11-10 19:01:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:54,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:01:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:01:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:01:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:01:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:01:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:01:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:01:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:01:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523382603] [2024-11-10 19:01:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523382603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522523094] [2024-11-10 19:01:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:54,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:54,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:54,280 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) [2024-11-10 19:01:54,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:01:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:54,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:54,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:54,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:58,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522523094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:58,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:58,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2024-11-10 19:01:58,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278582944] [2024-11-10 19:01:58,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:58,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:01:58,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:58,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:01:58,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:58,807 INFO L87 Difference]: Start difference. First operand 494 states and 555 transitions. Second operand has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:02:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:01,384 INFO L93 Difference]: Finished difference Result 510 states and 556 transitions. [2024-11-10 19:02:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:02:01,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2024-11-10 19:02:01,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:01,386 INFO L225 Difference]: With dead ends: 510 [2024-11-10 19:02:01,386 INFO L226 Difference]: Without dead ends: 508 [2024-11-10 19:02:01,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:02:01,387 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 411 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:01,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 549 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-10 19:02:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-10 19:02:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 494. [2024-11-10 19:02:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 371 states have (on average 1.3504043126684635) internal successors, (501), 466 states have internal predecessors, (501), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:02:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 553 transitions. [2024-11-10 19:02:01,396 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 553 transitions. Word has length 131 [2024-11-10 19:02:01,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:01,397 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 553 transitions. [2024-11-10 19:02:01,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:02:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 553 transitions. [2024-11-10 19:02:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 19:02:01,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:01,398 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:01,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:01,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:02:01,598 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:01,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:01,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1519469843, now seen corresponding path program 1 times [2024-11-10 19:02:01,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:01,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018793762] [2024-11-10 19:02:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:02:01,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:01,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018793762] [2024-11-10 19:02:01,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018793762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:01,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435638658] [2024-11-10 19:02:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:01,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:01,782 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) [2024-11-10 19:02:01,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:02:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:01,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:01,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:02:02,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:02,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435638658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:02,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:02,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-10 19:02:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886799398] [2024-11-10 19:02:02,711 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:02,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:02:02,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:02:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:02:02,712 INFO L87 Difference]: Start difference. First operand 494 states and 553 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:02:06,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:06,210 INFO L93 Difference]: Finished difference Result 494 states and 553 transitions. [2024-11-10 19:02:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:02:06,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 135 [2024-11-10 19:02:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:06,211 INFO L225 Difference]: With dead ends: 494 [2024-11-10 19:02:06,211 INFO L226 Difference]: Without dead ends: 466 [2024-11-10 19:02:06,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:02:06,212 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 500 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:06,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 386 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-10 19:02:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-10 19:02:06,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2024-11-10 19:02:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 371 states have (on average 1.261455525606469) internal successors, (468), 438 states have internal predecessors, (468), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:02:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 520 transitions. [2024-11-10 19:02:06,221 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 520 transitions. Word has length 135 [2024-11-10 19:02:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:06,222 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 520 transitions. [2024-11-10 19:02:06,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:02:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 520 transitions. [2024-11-10 19:02:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 19:02:06,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:06,223 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:06,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:06,423 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,SelfDestructingSolverStorable23 [2024-11-10 19:02:06,423 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:06,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1997684823, now seen corresponding path program 1 times [2024-11-10 19:02:06,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:06,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759551536] [2024-11-10 19:02:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:02:06,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:06,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759551536] [2024-11-10 19:02:06,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759551536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:06,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025056796] [2024-11-10 19:02:06,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:06,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:06,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:06,529 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) [2024-11-10 19:02:06,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:02:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:06,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:02:06,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:02:07,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:08,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025056796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:08,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:08,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-10 19:02:08,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659700207] [2024-11-10 19:02:08,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:08,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:02:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:08,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:02:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:02:08,791 INFO L87 Difference]: Start difference. First operand 466 states and 520 transitions. Second operand has 11 states, 10 states have (on average 19.8) internal successors, (198), 11 states have internal predecessors, (198), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:02:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:10,864 INFO L93 Difference]: Finished difference Result 466 states and 520 transitions. [2024-11-10 19:02:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:02:10,865 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.8) internal successors, (198), 11 states have internal predecessors, (198), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 139 [2024-11-10 19:02:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:10,866 INFO L225 Difference]: With dead ends: 466 [2024-11-10 19:02:10,866 INFO L226 Difference]: Without dead ends: 426 [2024-11-10 19:02:10,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:02:10,867 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 251 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:10,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 513 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 19:02:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-10 19:02:10,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-11-10 19:02:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 343 states have (on average 1.2419825072886297) internal successors, (426), 400 states have internal predecessors, (426), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 474 transitions. [2024-11-10 19:02:10,878 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 474 transitions. Word has length 139 [2024-11-10 19:02:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:10,878 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 474 transitions. [2024-11-10 19:02:10,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.8) internal successors, (198), 11 states have internal predecessors, (198), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:02:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 474 transitions. [2024-11-10 19:02:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-10 19:02:10,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:10,882 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:02:10,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:02:11,085 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,SelfDestructingSolverStorable24 [2024-11-10 19:02:11,086 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:11,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1155919607, now seen corresponding path program 1 times [2024-11-10 19:02:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:11,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390288953] [2024-11-10 19:02:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:11,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 19:02:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 19:02:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-11-10 19:02:11,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:11,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390288953] [2024-11-10 19:02:11,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390288953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:02:11,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:02:11,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:02:11,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829716897] [2024-11-10 19:02:11,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:02:11,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:02:11,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:11,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:02:11,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:02:11,151 INFO L87 Difference]: Start difference. First operand 426 states and 474 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:02:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:11,537 INFO L93 Difference]: Finished difference Result 426 states and 474 transitions. [2024-11-10 19:02:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:02:11,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 169 [2024-11-10 19:02:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:11,538 INFO L225 Difference]: With dead ends: 426 [2024-11-10 19:02:11,538 INFO L226 Difference]: Without dead ends: 425 [2024-11-10 19:02:11,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:02:11,539 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 279 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:11,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 194 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:02:11,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-10 19:02:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-10 19:02:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 343 states have (on average 1.2361516034985423) internal successors, (424), 399 states have internal predecessors, (424), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 472 transitions. [2024-11-10 19:02:11,550 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 472 transitions. Word has length 169 [2024-11-10 19:02:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:11,550 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 472 transitions. [2024-11-10 19:02:11,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:02:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 472 transitions. [2024-11-10 19:02:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 19:02:11,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:11,551 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:11,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 19:02:11,552 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:11,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash -714157383, now seen corresponding path program 1 times [2024-11-10 19:02:11,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:11,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899224853] [2024-11-10 19:02:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 19:02:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 19:02:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 19:02:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:11,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:11,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899224853] [2024-11-10 19:02:11,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899224853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:11,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697444638] [2024-11-10 19:02:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:11,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:11,631 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) [2024-11-10 19:02:11,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:02:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:11,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:02:11,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:11,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:11,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697444638] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:11,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:02:11,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 19:02:11,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430136322] [2024-11-10 19:02:11,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:11,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:02:11,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:02:11,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:02:11,929 INFO L87 Difference]: Start difference. First operand 425 states and 472 transitions. Second operand has 9 states, 8 states have (on average 36.625) internal successors, (293), 9 states have internal predecessors, (293), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 19:02:12,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:12,294 INFO L93 Difference]: Finished difference Result 454 states and 481 transitions. [2024-11-10 19:02:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:02:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.625) internal successors, (293), 9 states have internal predecessors, (293), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 175 [2024-11-10 19:02:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:12,296 INFO L225 Difference]: With dead ends: 454 [2024-11-10 19:02:12,296 INFO L226 Difference]: Without dead ends: 452 [2024-11-10 19:02:12,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:02:12,296 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 951 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:12,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 680 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:02:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-10 19:02:12,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 423. [2024-11-10 19:02:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 343 states have (on average 1.2244897959183674) internal successors, (420), 397 states have internal predecessors, (420), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 468 transitions. [2024-11-10 19:02:12,306 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 468 transitions. Word has length 175 [2024-11-10 19:02:12,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:12,307 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 468 transitions. [2024-11-10 19:02:12,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.625) internal successors, (293), 9 states have internal predecessors, (293), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 19:02:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 468 transitions. [2024-11-10 19:02:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 19:02:12,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:12,308 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:12,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:02:12,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:12,508 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:12,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash -664042261, now seen corresponding path program 1 times [2024-11-10 19:02:12,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:12,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960626594] [2024-11-10 19:02:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:12,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:12,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006831445] [2024-11-10 19:02:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:12,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:12,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:12,530 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) [2024-11-10 19:02:12,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:02:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:12,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:12,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:12,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:13,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:13,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960626594] [2024-11-10 19:02:13,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:13,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006831445] [2024-11-10 19:02:13,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006831445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:13,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:13,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:02:13,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149742736] [2024-11-10 19:02:13,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:13,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:02:13,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:13,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:02:13,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:02:13,959 INFO L87 Difference]: Start difference. First operand 423 states and 468 transitions. Second operand has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:02:14,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:14,759 INFO L93 Difference]: Finished difference Result 435 states and 468 transitions. [2024-11-10 19:02:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:02:14,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 176 [2024-11-10 19:02:14,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:14,761 INFO L225 Difference]: With dead ends: 435 [2024-11-10 19:02:14,761 INFO L226 Difference]: Without dead ends: 429 [2024-11-10 19:02:14,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:02:14,762 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 175 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:14,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 602 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:02:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-10 19:02:14,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 423. [2024-11-10 19:02:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 343 states have (on average 1.206997084548105) internal successors, (414), 397 states have internal predecessors, (414), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 462 transitions. [2024-11-10 19:02:14,771 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 462 transitions. Word has length 176 [2024-11-10 19:02:14,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:14,771 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 462 transitions. [2024-11-10 19:02:14,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:02:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 462 transitions. [2024-11-10 19:02:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 19:02:14,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:14,772 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:14,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:02:14,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:02:14,973 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:14,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:14,973 INFO L85 PathProgramCache]: Analyzing trace with hash -63561753, now seen corresponding path program 1 times [2024-11-10 19:02:14,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799808141] [2024-11-10 19:02:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:15,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678620253] [2024-11-10 19:02:15,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:15,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:15,006 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) [2024-11-10 19:02:15,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:02:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:15,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:02:15,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:16,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:02:16,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:16,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799808141] [2024-11-10 19:02:16,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:16,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678620253] [2024-11-10 19:02:16,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678620253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:16,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:16,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-10 19:02:16,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669772447] [2024-11-10 19:02:16,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:16,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:02:16,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:16,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:02:16,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:02:16,999 INFO L87 Difference]: Start difference. First operand 423 states and 462 transitions. Second operand has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 19:02:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:22,899 INFO L93 Difference]: Finished difference Result 428 states and 462 transitions. [2024-11-10 19:02:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:02:22,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 180 [2024-11-10 19:02:22,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:22,901 INFO L225 Difference]: With dead ends: 428 [2024-11-10 19:02:22,901 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 19:02:22,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:02:22,901 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 459 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:22,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 354 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-10 19:02:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 19:02:22,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2024-11-10 19:02:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 343 states have (on average 1.19533527696793) internal successors, (410), 397 states have internal predecessors, (410), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 458 transitions. [2024-11-10 19:02:22,919 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 458 transitions. Word has length 180 [2024-11-10 19:02:22,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:22,920 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 458 transitions. [2024-11-10 19:02:22,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 19:02:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 458 transitions. [2024-11-10 19:02:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 19:02:22,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:22,921 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:22,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:02:23,124 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,SelfDestructingSolverStorable28 [2024-11-10 19:02:23,125 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:23,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2133980523, now seen corresponding path program 1 times [2024-11-10 19:02:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343335783] [2024-11-10 19:02:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:23,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647800156] [2024-11-10 19:02:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:23,147 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) [2024-11-10 19:02:23,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:02:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:23,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:02:23,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:23,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:24,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:24,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343335783] [2024-11-10 19:02:24,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:24,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647800156] [2024-11-10 19:02:24,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647800156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:24,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:24,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:02:24,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473668908] [2024-11-10 19:02:24,274 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:24,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:02:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:02:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:02:24,275 INFO L87 Difference]: Start difference. First operand 423 states and 458 transitions. Second operand has 8 states, 7 states have (on average 20.285714285714285) internal successors, (142), 8 states have internal predecessors, (142), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:02:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:25,261 INFO L93 Difference]: Finished difference Result 426 states and 458 transitions. [2024-11-10 19:02:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:02:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.285714285714285) internal successors, (142), 8 states have internal predecessors, (142), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 199 [2024-11-10 19:02:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:25,263 INFO L225 Difference]: With dead ends: 426 [2024-11-10 19:02:25,263 INFO L226 Difference]: Without dead ends: 423 [2024-11-10 19:02:25,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:02:25,263 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 153 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:25,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 319 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:02:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-10 19:02:25,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-10 19:02:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 343 states have (on average 1.186588921282799) internal successors, (407), 397 states have internal predecessors, (407), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 455 transitions. [2024-11-10 19:02:25,275 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 455 transitions. Word has length 199 [2024-11-10 19:02:25,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:25,275 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 455 transitions. [2024-11-10 19:02:25,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.285714285714285) internal successors, (142), 8 states have internal predecessors, (142), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:02:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 455 transitions. [2024-11-10 19:02:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 19:02:25,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:25,276 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:25,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:02:25,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:25,481 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:25,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1728886866, now seen corresponding path program 1 times [2024-11-10 19:02:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:25,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003485140] [2024-11-10 19:02:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 19:02:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 19:02:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 19:02:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 19:02:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:25,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:25,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003485140] [2024-11-10 19:02:25,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003485140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:25,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811988383] [2024-11-10 19:02:25,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:25,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:25,687 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:25,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:02:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:25,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:25,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:26,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811988383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:26,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-10 19:02:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634160903] [2024-11-10 19:02:26,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:26,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:02:26,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:26,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:02:26,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:26,309 INFO L87 Difference]: Start difference. First operand 423 states and 455 transitions. Second operand has 11 states, 10 states have (on average 28.0) internal successors, (280), 11 states have internal predecessors, (280), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 19:02:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:29,752 INFO L93 Difference]: Finished difference Result 423 states and 455 transitions. [2024-11-10 19:02:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:02:29,752 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 28.0) internal successors, (280), 11 states have internal predecessors, (280), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 200 [2024-11-10 19:02:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:29,754 INFO L225 Difference]: With dead ends: 423 [2024-11-10 19:02:29,754 INFO L226 Difference]: Without dead ends: 419 [2024-11-10 19:02:29,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:02:29,754 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 377 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:29,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 311 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-10 19:02:29,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-10 19:02:29,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-11-10 19:02:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 343 states have (on average 1.1720116618075802) internal successors, (402), 393 states have internal predecessors, (402), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 450 transitions. [2024-11-10 19:02:29,768 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 450 transitions. Word has length 200 [2024-11-10 19:02:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:29,768 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 450 transitions. [2024-11-10 19:02:29,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 28.0) internal successors, (280), 11 states have internal predecessors, (280), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 19:02:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 450 transitions. [2024-11-10 19:02:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 19:02:29,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:29,770 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:29,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:29,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:29,970 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:29,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash 647951886, now seen corresponding path program 1 times [2024-11-10 19:02:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:29,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084463538] [2024-11-10 19:02:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:29,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639348199] [2024-11-10 19:02:29,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:29,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:29,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:29,994 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:29,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:02:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:30,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:02:30,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:30,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084463538] [2024-11-10 19:02:30,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639348199] [2024-11-10 19:02:30,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639348199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:30,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:30,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:02:30,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013842541] [2024-11-10 19:02:30,983 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:30,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:02:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:30,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:02:30,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:02:30,984 INFO L87 Difference]: Start difference. First operand 419 states and 450 transitions. Second operand has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:02:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:31,869 INFO L93 Difference]: Finished difference Result 421 states and 450 transitions. [2024-11-10 19:02:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:02:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 204 [2024-11-10 19:02:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:31,870 INFO L225 Difference]: With dead ends: 421 [2024-11-10 19:02:31,870 INFO L226 Difference]: Without dead ends: 419 [2024-11-10 19:02:31,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:02:31,871 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 106 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:31,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 459 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:02:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-10 19:02:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-11-10 19:02:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 343 states have (on average 1.1661807580174928) internal successors, (400), 393 states have internal predecessors, (400), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:02:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 448 transitions. [2024-11-10 19:02:31,882 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 448 transitions. Word has length 204 [2024-11-10 19:02:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:31,883 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 448 transitions. [2024-11-10 19:02:31,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:02:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 448 transitions. [2024-11-10 19:02:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 19:02:31,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:31,884 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:02:31,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:02:32,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:32,084 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:32,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:32,085 INFO L85 PathProgramCache]: Analyzing trace with hash -845424820, now seen corresponding path program 1 times [2024-11-10 19:02:32,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:32,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849532388] [2024-11-10 19:02:32,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313826732] [2024-11-10 19:02:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:32,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:32,111 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:32,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:02:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:32,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:02:32,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:32,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:32,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849532388] [2024-11-10 19:02:32,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313826732] [2024-11-10 19:02:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313826732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:32,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:32,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:02:32,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108284935] [2024-11-10 19:02:32,351 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:32,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:02:32,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:32,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:02:32,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:02:32,352 INFO L87 Difference]: Start difference. First operand 419 states and 448 transitions. Second operand has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:32,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:32,448 INFO L93 Difference]: Finished difference Result 604 states and 636 transitions. [2024-11-10 19:02:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:02:32,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 206 [2024-11-10 19:02:32,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:32,450 INFO L225 Difference]: With dead ends: 604 [2024-11-10 19:02:32,450 INFO L226 Difference]: Without dead ends: 603 [2024-11-10 19:02:32,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:02:32,451 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 225 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 663 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 [2024-11-10 19:02:32,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 663 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:02:32,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-10 19:02:32,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 426. [2024-11-10 19:02:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 349 states have (on average 1.163323782234957) internal successors, (406), 399 states have internal predecessors, (406), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:02:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 456 transitions. [2024-11-10 19:02:32,462 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 456 transitions. Word has length 206 [2024-11-10 19:02:32,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:32,462 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 456 transitions. [2024-11-10 19:02:32,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 456 transitions. [2024-11-10 19:02:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 19:02:32,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:32,464 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:02:32,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:02:32,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-10 19:02:32,664 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:32,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:32,664 INFO L85 PathProgramCache]: Analyzing trace with hash 859527981, now seen corresponding path program 2 times [2024-11-10 19:02:32,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:32,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639544743] [2024-11-10 19:02:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458554464] [2024-11-10 19:02:32,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:32,682 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:32,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:02:32,777 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:32,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:32,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:02:32,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:33,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:33,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:33,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639544743] [2024-11-10 19:02:33,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:33,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458554464] [2024-11-10 19:02:33,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458554464] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:33,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:33,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2024-11-10 19:02:33,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007775653] [2024-11-10 19:02:33,761 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:33,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:02:33,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:33,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:02:33,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:02:33,762 INFO L87 Difference]: Start difference. First operand 426 states and 456 transitions. Second operand has 14 states, 13 states have (on average 22.76923076923077) internal successors, (296), 14 states have internal predecessors, (296), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:02:38,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:40,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:42,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:44,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:46,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:48,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:02:51,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:51,603 INFO L93 Difference]: Finished difference Result 762 states and 891 transitions. [2024-11-10 19:02:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:02:51,603 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.76923076923077) internal successors, (296), 14 states have internal predecessors, (296), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 213 [2024-11-10 19:02:51,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:51,607 INFO L225 Difference]: With dead ends: 762 [2024-11-10 19:02:51,607 INFO L226 Difference]: Without dead ends: 747 [2024-11-10 19:02:51,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=171, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:02:51,607 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 1086 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:51,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 829 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2024-11-10 19:02:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-10 19:02:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 642. [2024-11-10 19:02:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 549 states have (on average 1.1912568306010929) internal successors, (654), 599 states have internal predecessors, (654), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 19:02:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 736 transitions. [2024-11-10 19:02:51,638 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 736 transitions. Word has length 213 [2024-11-10 19:02:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:51,638 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 736 transitions. [2024-11-10 19:02:51,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.76923076923077) internal successors, (296), 14 states have internal predecessors, (296), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:02:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 736 transitions. [2024-11-10 19:02:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 19:02:51,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:51,639 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:02:51,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 19:02:51,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:02:51,842 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:51,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:51,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1372675979, now seen corresponding path program 2 times [2024-11-10 19:02:51,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:51,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928656189] [2024-11-10 19:02:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:51,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:02:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:02:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:02:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:02:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:02:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:02:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:02:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:02:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 19:02:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 19:02:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:02:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 19:02:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:02:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:51,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:51,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928656189] [2024-11-10 19:02:51,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928656189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:51,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943315292] [2024-11-10 19:02:51,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:51,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:51,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:51,978 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:51,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:02:52,037 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:52,037 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:52,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:52,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:52,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943315292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:52,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:02:52,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:02:52,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383542315] [2024-11-10 19:02:52,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:52,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:02:52,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:52,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:02:52,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:52,545 INFO L87 Difference]: Start difference. First operand 642 states and 736 transitions. Second operand has 13 states, 12 states have (on average 34.75) internal successors, (417), 13 states have internal predecessors, (417), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:54,150 INFO L93 Difference]: Finished difference Result 659 states and 745 transitions. [2024-11-10 19:02:54,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:02:54,150 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.75) internal successors, (417), 13 states have internal predecessors, (417), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 215 [2024-11-10 19:02:54,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:54,152 INFO L225 Difference]: With dead ends: 659 [2024-11-10 19:02:54,152 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:02:54,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:02:54,153 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 531 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:54,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 679 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:02:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:02:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 642. [2024-11-10 19:02:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 549 states have (on average 1.1876138433515482) internal successors, (652), 599 states have internal predecessors, (652), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 19:02:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 734 transitions. [2024-11-10 19:02:54,172 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 734 transitions. Word has length 215 [2024-11-10 19:02:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:54,172 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 734 transitions. [2024-11-10 19:02:54,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.75) internal successors, (417), 13 states have internal predecessors, (417), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 734 transitions. [2024-11-10 19:02:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-10 19:02:54,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:54,174 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:02:54,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:02:54,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:54,375 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:02:54,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash -396717394, now seen corresponding path program 2 times [2024-11-10 19:02:54,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:54,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948214239] [2024-11-10 19:02:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:54,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:54,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195311060] [2024-11-10 19:02:54,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:54,394 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:54,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:02:54,524 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:54,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:54,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:02:54,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:55,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:55,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948214239] [2024-11-10 19:02:55,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:55,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195311060] [2024-11-10 19:02:55,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195311060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:55,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:55,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-10 19:02:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152346535] [2024-11-10 19:02:55,448 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:55,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:02:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:02:55,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:02:55,449 INFO L87 Difference]: Start difference. First operand 642 states and 734 transitions. Second operand has 16 states, 15 states have (on average 20.133333333333333) internal successors, (302), 16 states have internal predecessors, (302), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:03:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:01,033 INFO L93 Difference]: Finished difference Result 670 states and 743 transitions. [2024-11-10 19:03:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:03:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.133333333333333) internal successors, (302), 16 states have internal predecessors, (302), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 216 [2024-11-10 19:03:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:01,035 INFO L225 Difference]: With dead ends: 670 [2024-11-10 19:03:01,035 INFO L226 Difference]: Without dead ends: 537 [2024-11-10 19:03:01,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:01,036 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 1631 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:01,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 1052 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2537 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-10 19:03:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-10 19:03:01,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 534. [2024-11-10 19:03:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 449 states have (on average 1.1714922048997773) internal successors, (526), 497 states have internal predecessors, (526), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:03:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 596 transitions. [2024-11-10 19:03:01,054 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 596 transitions. Word has length 216 [2024-11-10 19:03:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:01,055 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 596 transitions. [2024-11-10 19:03:01,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.133333333333333) internal successors, (302), 16 states have internal predecessors, (302), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:03:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 596 transitions. [2024-11-10 19:03:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-10 19:03:01,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:01,060 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:03:01,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:03:01,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:01,260 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:03:01,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1077550541, now seen corresponding path program 2 times [2024-11-10 19:03:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:01,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174421692] [2024-11-10 19:03:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:01,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163738839] [2024-11-10 19:03:01,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:01,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:01,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:01,287 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:01,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:03:01,351 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:01,352 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:01,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:03:01,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-10 19:03:01,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:01,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:01,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174421692] [2024-11-10 19:03:01,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:01,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163738839] [2024-11-10 19:03:01,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163738839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:01,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:01,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:01,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71604515] [2024-11-10 19:03:01,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:01,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:01,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:01,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:01,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:01,745 INFO L87 Difference]: Start difference. First operand 534 states and 596 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:02,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:02,104 INFO L93 Difference]: Finished difference Result 534 states and 596 transitions. [2024-11-10 19:03:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:02,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 262 [2024-11-10 19:03:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:02,105 INFO L225 Difference]: With dead ends: 534 [2024-11-10 19:03:02,106 INFO L226 Difference]: Without dead ends: 533 [2024-11-10 19:03:02,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:02,106 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 231 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:02,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 284 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-10 19:03:02,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2024-11-10 19:03:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 449 states have (on average 1.1670378619153674) internal successors, (524), 496 states have internal predecessors, (524), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:03:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 594 transitions. [2024-11-10 19:03:02,125 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 594 transitions. Word has length 262 [2024-11-10 19:03:02,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:02,125 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 594 transitions. [2024-11-10 19:03:02,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:02,125 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 594 transitions. [2024-11-10 19:03:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 19:03:02,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:02,126 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 2, 1, 1, 1, 1, 1] [2024-11-10 19:03:02,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:03:02,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:03:02,327 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:03:02,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash -350540100, now seen corresponding path program 1 times [2024-11-10 19:03:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:02,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053007827] [2024-11-10 19:03:02,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 19:03:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-10 19:03:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 19:03:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 19:03:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:03:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:03:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 19:03:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 19:03:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 19:03:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 19:03:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:03:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 19:03:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:03:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 19:03:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 19:03:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-10 19:03:02,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:02,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053007827] [2024-11-10 19:03:02,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053007827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:02,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:02,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:02,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392251637] [2024-11-10 19:03:02,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:02,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:02,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:02,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:02,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:02,386 INFO L87 Difference]: Start difference. First operand 533 states and 594 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:03:03,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:03,035 INFO L93 Difference]: Finished difference Result 533 states and 594 transitions. [2024-11-10 19:03:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:03,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 261 [2024-11-10 19:03:03,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:03,037 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:03:03,037 INFO L226 Difference]: Without dead ends: 532 [2024-11-10 19:03:03,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:03,037 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 121 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:03,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 149 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:03,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-10 19:03:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-10 19:03:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 449 states have (on average 1.1603563474387528) internal successors, (521), 495 states have internal predecessors, (521), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:03:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 591 transitions. [2024-11-10 19:03:03,058 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 591 transitions. Word has length 261 [2024-11-10 19:03:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:03,058 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 591 transitions. [2024-11-10 19:03:03,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:03:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 591 transitions. [2024-11-10 19:03:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 19:03:03,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:03,059 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:03:03,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 19:03:03,059 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:03:03,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash 955671727, now seen corresponding path program 1 times [2024-11-10 19:03:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811296522] [2024-11-10 19:03:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:03,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103191247] [2024-11-10 19:03:03,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:03,076 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:03,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:03:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:03,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:03:03,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 19:03:03,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:04,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:04,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811296522] [2024-11-10 19:03:04,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:04,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103191247] [2024-11-10 19:03:04,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103191247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:04,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:04,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:03:04,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551727244] [2024-11-10 19:03:04,618 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:04,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:04,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:04,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:04,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:04,618 INFO L87 Difference]: Start difference. First operand 532 states and 591 transitions. Second operand has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 8 states have internal predecessors, (186), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-10 19:03:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:05,229 INFO L93 Difference]: Finished difference Result 533 states and 591 transitions. [2024-11-10 19:03:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:05,229 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 8 states have internal predecessors, (186), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 263 [2024-11-10 19:03:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:05,231 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:03:05,231 INFO L226 Difference]: Without dead ends: 532 [2024-11-10 19:03:05,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:05,231 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 59 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:05,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1130 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-10 19:03:05,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-10 19:03:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 449 states have (on average 1.158129175946548) internal successors, (520), 495 states have internal predecessors, (520), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:03:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 590 transitions. [2024-11-10 19:03:05,250 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 590 transitions. Word has length 263 [2024-11-10 19:03:05,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:05,250 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 590 transitions. [2024-11-10 19:03:05,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 8 states have internal predecessors, (186), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-10 19:03:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 590 transitions. [2024-11-10 19:03:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-10 19:03:05,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:05,251 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:03:05,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:03:05,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:03:05,452 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 19:03:05,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash -921659089, now seen corresponding path program 2 times [2024-11-10 19:03:05,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:05,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268014132] [2024-11-10 19:03:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:05,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:05,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155738430] [2024-11-10 19:03:05,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:05,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:05,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:05,471 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:05,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:03:05,682 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:05,682 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:05,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:03:05,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 19:03:07,367 INFO L311 TraceCheckSpWp]: Computing backward predicates...