./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.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/bresenham-ll_valuebound10.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 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:59:58,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:59:58,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:59:58,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:59:58,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:59:58,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:59:58,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:59:58,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:59:58,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:59:58,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:59:58,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:59:58,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:59:58,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:59:58,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:59:58,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:59:58,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:59:58,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:59:58,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:59:58,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:59:58,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:59:58,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:59:58,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:59:58,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:59:58,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:59:58,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:59:58,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:59:58,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:59:58,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:59:58,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:59:58,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:59:58,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:59:58,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:59:58,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:59:58,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:59:58,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:58,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:59:58,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:59:58,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:59:58,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:59:58,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:59:58,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:59:58,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:59:58,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:59:58,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:59:58,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2024-11-10 18:59:59,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:59:59,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:59:59,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:59:59,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:59:59,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:59:59,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2024-11-10 19:00:00,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:00:00,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:00:00,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2024-11-10 19:00:00,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30877b5e8/4d4eba5484374c40b5b1b1fd6be9ceaa/FLAG508f163ae [2024-11-10 19:00:01,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30877b5e8/4d4eba5484374c40b5b1b1fd6be9ceaa [2024-11-10 19:00:01,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:00:01,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:00:01,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:00:01,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:00:01,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:00:01,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615b60cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01, skipping insertion in model container [2024-11-10 19:00:01,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:00:01,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:00:01,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:00:01,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:00:01,495 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:00:01,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01 WrapperNode [2024-11-10 19:00:01,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:00:01,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:00:01,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:00:01,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:00:01,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,534 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2024-11-10 19:00:01,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:00:01,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:00:01,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:00:01,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:00:01,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,572 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 19:00:01,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:00:01,579 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:00:01,580 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:00:01,580 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:00:01,580 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (1/1) ... [2024-11-10 19:00:01,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:00:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:01,613 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 19:00:01,620 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 19:00:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:00:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:00:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:00:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:00:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:00:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:00:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:00:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:00:01,710 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:00:01,713 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:00:02,133 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-10 19:00:02,134 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:00:02,159 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:00:02,159 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:00:02,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:00:02 BoogieIcfgContainer [2024-11-10 19:00:02,160 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:00:02,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:00:02,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:00:02,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:00:02,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:00:01" (1/3) ... [2024-11-10 19:00:02,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e85bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:00:02, skipping insertion in model container [2024-11-10 19:00:02,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:01" (2/3) ... [2024-11-10 19:00:02,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e85bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:00:02, skipping insertion in model container [2024-11-10 19:00:02,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:00:02" (3/3) ... [2024-11-10 19:00:02,170 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound10.c [2024-11-10 19:00:02,187 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:00:02,187 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-10 19:00:02,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:00:02,251 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;@5766f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:00:02,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 19:00:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 86 states have (on average 1.744186046511628) internal successors, (150), 144 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:00:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 19:00:02,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,261 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash -21591520, now seen corresponding path program 1 times [2024-11-10 19:00:02,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426885877] [2024-11-10 19:00:02,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426885877] [2024-11-10 19:00:02,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426885877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:02,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449363481] [2024-11-10 19:00:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:00:02,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:00:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:00:02,452 INFO L87 Difference]: Start difference. First operand has 151 states, 86 states have (on average 1.744186046511628) internal successors, (150), 144 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,490 INFO L93 Difference]: Finished difference Result 298 states and 315 transitions. [2024-11-10 19:00:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:00:02,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-10 19:00:02,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,501 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:00:02,501 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:00:02,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 19:00:02,510 INFO L432 NwaCegarLoop]: 153 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, 153 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 19:00:02,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:00:02,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:00:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-10 19:00:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 81 states have (on average 1.728395061728395) internal successors, (140), 138 states have internal predecessors, (140), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2024-11-10 19:00:02,554 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 14 [2024-11-10 19:00:02,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,554 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2024-11-10 19:00:02,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2024-11-10 19:00:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 19:00:02,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:00:02,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,562 INFO L85 PathProgramCache]: Analyzing trace with hash -218075234, now seen corresponding path program 1 times [2024-11-10 19:00:02,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712866402] [2024-11-10 19:00:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712866402] [2024-11-10 19:00:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712866402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609262524] [2024-11-10 19:00:02,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:02,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,660 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,880 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2024-11-10 19:00:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:02,881 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-10 19:00:02,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,882 INFO L225 Difference]: With dead ends: 144 [2024-11-10 19:00:02,883 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 19:00:02,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,884 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 99 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 89 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 19:00:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-10 19:00:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 81 states have (on average 1.6790123456790123) internal successors, (136), 134 states have internal predecessors, (136), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2024-11-10 19:00:02,901 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 14 [2024-11-10 19:00:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,903 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2024-11-10 19:00:02,903 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2024-11-10 19:00:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:00:02,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,906 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:00:02,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1829602443, now seen corresponding path program 1 times [2024-11-10 19:00:02,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63892050] [2024-11-10 19:00:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63892050] [2024-11-10 19:00:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63892050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:02,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405363588] [2024-11-10 19:00:02,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:02,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:02,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,994 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:03,149 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2024-11-10 19:00:03,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:03,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:00:03,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:03,151 INFO L225 Difference]: With dead ends: 140 [2024-11-10 19:00:03,151 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 19:00:03,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:03,153 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 98 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:03,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 89 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 19:00:03,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-10 19:00:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 81 states have (on average 1.6296296296296295) internal successors, (132), 130 states have internal predecessors, (132), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2024-11-10 19:00:03,173 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 15 [2024-11-10 19:00:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:03,173 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2024-11-10 19:00:03,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2024-11-10 19:00:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:00:03,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:03,178 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:03,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:00:03,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:03,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 883100988, now seen corresponding path program 1 times [2024-11-10 19:00:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:03,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605657246] [2024-11-10 19:00:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:03,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:03,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605657246] [2024-11-10 19:00:03,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605657246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:03,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:03,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174241155] [2024-11-10 19:00:03,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:03,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:03,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:03,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:03,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:03,268 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:03,491 INFO L93 Difference]: Finished difference Result 136 states and 138 transitions. [2024-11-10 19:00:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-10 19:00:03,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:03,493 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:00:03,494 INFO L226 Difference]: Without dead ends: 133 [2024-11-10 19:00:03,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:03,495 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 191 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:03,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 83 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:03,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-10 19:00:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-10 19:00:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-11-10 19:00:03,506 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 16 [2024-11-10 19:00:03,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:03,506 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-11-10 19:00:03,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-11-10 19:00:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:00:03,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:03,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:03,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:00:03,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:03,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1606326953, now seen corresponding path program 1 times [2024-11-10 19:00:03,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:03,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817860137] [2024-11-10 19:00:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:03,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:03,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817860137] [2024-11-10 19:00:03,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817860137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:03,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:03,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407263866] [2024-11-10 19:00:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:03,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:03,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:03,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:03,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:03,621 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:03,788 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-11-10 19:00:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:03,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-10 19:00:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:03,791 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:00:03,791 INFO L226 Difference]: Without dead ends: 130 [2024-11-10 19:00:03,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:03,792 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:03,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 83 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-10 19:00:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-10 19:00:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 81 states have (on average 1.5555555555555556) internal successors, (126), 124 states have internal predecessors, (126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2024-11-10 19:00:03,808 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 17 [2024-11-10 19:00:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:03,809 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2024-11-10 19:00:03,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2024-11-10 19:00:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:00:03,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:03,810 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:03,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:00:03,811 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:03,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:03,811 INFO L85 PathProgramCache]: Analyzing trace with hash -732033212, now seen corresponding path program 1 times [2024-11-10 19:00:03,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:03,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787011275] [2024-11-10 19:00:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711559851] [2024-11-10 19:00:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:03,831 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 19:00:03,832 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 19:00:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:03,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:03,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:03,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:03,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787011275] [2024-11-10 19:00:03,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:03,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711559851] [2024-11-10 19:00:03,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711559851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:03,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:03,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:03,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429193424] [2024-11-10 19:00:03,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:03,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:03,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:03,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:03,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:03,936 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:04,032 INFO L93 Difference]: Finished difference Result 203 states and 208 transitions. [2024-11-10 19:00:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:04,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:00:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:04,033 INFO L225 Difference]: With dead ends: 203 [2024-11-10 19:00:04,033 INFO L226 Difference]: Without dead ends: 197 [2024-11-10 19:00:04,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 19:00:04,035 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 64 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:04,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 231 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:04,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-10 19:00:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2024-11-10 19:00:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 109 states have (on average 1.5504587155963303) internal successors, (169), 152 states have internal predecessors, (169), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:00:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2024-11-10 19:00:04,046 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 21 [2024-11-10 19:00:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:04,046 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2024-11-10 19:00:04,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2024-11-10 19:00:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:00:04,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:04,048 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:04,066 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 19:00:04,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 19:00:04,253 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:04,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1842601718, now seen corresponding path program 1 times [2024-11-10 19:00:04,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:04,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984399498] [2024-11-10 19:00:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:04,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153100928] [2024-11-10 19:00:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:04,271 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 19:00:04,272 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 19:00:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:04,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:04,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:04,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:04,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984399498] [2024-11-10 19:00:04,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:04,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153100928] [2024-11-10 19:00:04,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153100928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:04,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:04,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:04,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240226386] [2024-11-10 19:00:04,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:04,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:04,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:04,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:04,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:04,341 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:04,426 INFO L93 Difference]: Finished difference Result 264 states and 286 transitions. [2024-11-10 19:00:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:04,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 19:00:04,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:04,428 INFO L225 Difference]: With dead ends: 264 [2024-11-10 19:00:04,428 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 19:00:04,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 19:00:04,429 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 93 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:04,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 231 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:04,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 19:00:04,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 215. [2024-11-10 19:00:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 164 states have (on average 1.5609756097560976) internal successors, (256), 207 states have internal predecessors, (256), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 266 transitions. [2024-11-10 19:00:04,444 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 266 transitions. Word has length 24 [2024-11-10 19:00:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:04,445 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 266 transitions. [2024-11-10 19:00:04,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 266 transitions. [2024-11-10 19:00:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:00:04,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:04,446 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:04,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:00:04,646 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 19:00:04,647 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:04,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1029142881, now seen corresponding path program 1 times [2024-11-10 19:00:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:04,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702192320] [2024-11-10 19:00:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:04,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411330676] [2024-11-10 19:00:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:04,662 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 19:00:04,665 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 19:00:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:04,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:04,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:04,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702192320] [2024-11-10 19:00:04,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411330676] [2024-11-10 19:00:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411330676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:04,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:04,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:04,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074266007] [2024-11-10 19:00:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:04,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:04,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:04,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:04,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:04,756 INFO L87 Difference]: Start difference. First operand 215 states and 266 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:05,007 INFO L93 Difference]: Finished difference Result 293 states and 347 transitions. [2024-11-10 19:00:05,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:05,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-10 19:00:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:05,008 INFO L225 Difference]: With dead ends: 293 [2024-11-10 19:00:05,008 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 19:00:05,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 19:00:05,009 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 136 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:05,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 257 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:05,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 19:00:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 217. [2024-11-10 19:00:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 209 states have internal predecessors, (257), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 267 transitions. [2024-11-10 19:00:05,024 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 267 transitions. Word has length 27 [2024-11-10 19:00:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:05,024 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 267 transitions. [2024-11-10 19:00:05,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 267 transitions. [2024-11-10 19:00:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:00:05,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:05,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:05,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:05,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,228 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:05,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1838658157, now seen corresponding path program 1 times [2024-11-10 19:00:05,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:05,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313661034] [2024-11-10 19:00:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:05,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869385340] [2024-11-10 19:00:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:05,241 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 19:00:05,244 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 19:00:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:05,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:05,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:05,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:05,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313661034] [2024-11-10 19:00:05,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869385340] [2024-11-10 19:00:05,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869385340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:05,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:05,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:05,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362356747] [2024-11-10 19:00:05,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:05,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:05,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:05,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:05,347 INFO L87 Difference]: Start difference. First operand 217 states and 267 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:05,636 INFO L93 Difference]: Finished difference Result 292 states and 345 transitions. [2024-11-10 19:00:05,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:05,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-10 19:00:05,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:05,638 INFO L225 Difference]: With dead ends: 292 [2024-11-10 19:00:05,638 INFO L226 Difference]: Without dead ends: 290 [2024-11-10 19:00:05,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:05,640 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 134 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:05,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 260 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:05,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-10 19:00:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 218. [2024-11-10 19:00:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5389221556886228) internal successors, (257), 210 states have internal predecessors, (257), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 267 transitions. [2024-11-10 19:00:05,652 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 267 transitions. Word has length 28 [2024-11-10 19:00:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:05,653 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 267 transitions. [2024-11-10 19:00:05,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 267 transitions. [2024-11-10 19:00:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:00:05,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:05,654 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:05,671 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 19:00:05,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,855 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:05,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1163827939, now seen corresponding path program 1 times [2024-11-10 19:00:05,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:05,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547764794] [2024-11-10 19:00:05,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:05,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869737007] [2024-11-10 19:00:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:05,867 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 19:00:05,869 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 19:00:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:05,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:05,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:05,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547764794] [2024-11-10 19:00:05,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869737007] [2024-11-10 19:00:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869737007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:05,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986945565] [2024-11-10 19:00:05,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:05,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:05,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:05,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:05,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:05,942 INFO L87 Difference]: Start difference. First operand 218 states and 267 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:06,060 INFO L93 Difference]: Finished difference Result 284 states and 302 transitions. [2024-11-10 19:00:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:06,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-10 19:00:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:06,062 INFO L225 Difference]: With dead ends: 284 [2024-11-10 19:00:06,062 INFO L226 Difference]: Without dead ends: 282 [2024-11-10 19:00:06,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 19:00:06,063 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 186 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:06,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 282 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:06,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-10 19:00:06,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 218. [2024-11-10 19:00:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5209580838323353) internal successors, (254), 210 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 264 transitions. [2024-11-10 19:00:06,075 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 264 transitions. Word has length 29 [2024-11-10 19:00:06,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:06,075 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 264 transitions. [2024-11-10 19:00:06,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2024-11-10 19:00:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:00:06,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:06,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:06,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:06,280 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,SelfDestructingSolverStorable9 [2024-11-10 19:00:06,281 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:06,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1718927663, now seen corresponding path program 1 times [2024-11-10 19:00:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157577135] [2024-11-10 19:00:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:06,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032055663] [2024-11-10 19:00:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:06,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:06,296 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 19:00:06,300 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 19:00:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:06,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:06,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:06,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:06,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:06,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157577135] [2024-11-10 19:00:06,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:06,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032055663] [2024-11-10 19:00:06,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032055663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:06,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:06,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:06,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774212682] [2024-11-10 19:00:06,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:06,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:06,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:06,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:06,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:06,366 INFO L87 Difference]: Start difference. First operand 218 states and 264 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:06,566 INFO L93 Difference]: Finished difference Result 282 states and 299 transitions. [2024-11-10 19:00:06,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:06,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 19:00:06,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:06,568 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:06,568 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:06,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 19:00:06,569 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 183 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:06,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 288 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:06,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:06,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 218. [2024-11-10 19:00:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5029940119760479) internal successors, (251), 210 states have internal predecessors, (251), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2024-11-10 19:00:06,580 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 261 transitions. Word has length 30 [2024-11-10 19:00:06,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:06,580 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 261 transitions. [2024-11-10 19:00:06,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 261 transitions. [2024-11-10 19:00:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:00:06,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:06,581 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:06,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:06,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:06,786 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:06,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:06,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1747149925, now seen corresponding path program 1 times [2024-11-10 19:00:06,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:06,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903605150] [2024-11-10 19:00:06,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:06,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [648522260] [2024-11-10 19:00:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:06,805 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 19:00:06,807 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 19:00:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:06,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:06,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:06,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:06,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:06,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903605150] [2024-11-10 19:00:06,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:06,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648522260] [2024-11-10 19:00:06,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648522260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:06,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:06,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:06,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894342546] [2024-11-10 19:00:06,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:06,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:06,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:06,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:06,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:06,889 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:07,116 INFO L93 Difference]: Finished difference Result 287 states and 335 transitions. [2024-11-10 19:00:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:07,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-10 19:00:07,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:07,118 INFO L225 Difference]: With dead ends: 287 [2024-11-10 19:00:07,118 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 19:00:07,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:07,119 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 192 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:07,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 261 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 19:00:07,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 221. [2024-11-10 19:00:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.488235294117647) internal successors, (253), 213 states have internal predecessors, (253), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 263 transitions. [2024-11-10 19:00:07,128 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 263 transitions. Word has length 31 [2024-11-10 19:00:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:07,128 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 263 transitions. [2024-11-10 19:00:07,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2024-11-10 19:00:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:00:07,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:07,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:07,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:07,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:07,334 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:07,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1672927247, now seen corresponding path program 1 times [2024-11-10 19:00:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493103253] [2024-11-10 19:00:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:07,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447100142] [2024-11-10 19:00:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:07,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:07,362 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 19:00:07,363 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 19:00:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:07,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:07,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:07,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:07,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493103253] [2024-11-10 19:00:07,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:07,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447100142] [2024-11-10 19:00:07,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447100142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:07,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:07,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200309001] [2024-11-10 19:00:07,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:07,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:07,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:07,459 INFO L87 Difference]: Start difference. First operand 221 states and 263 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:07,740 INFO L93 Difference]: Finished difference Result 283 states and 298 transitions. [2024-11-10 19:00:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:00:07,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-10 19:00:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:07,742 INFO L225 Difference]: With dead ends: 283 [2024-11-10 19:00:07,742 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 19:00:07,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:07,743 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 258 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:07,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 288 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:07,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 19:00:07,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 221. [2024-11-10 19:00:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.4705882352941178) internal successors, (250), 213 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 260 transitions. [2024-11-10 19:00:07,751 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 260 transitions. Word has length 32 [2024-11-10 19:00:07,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:07,751 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 260 transitions. [2024-11-10 19:00:07,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,752 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 260 transitions. [2024-11-10 19:00:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:00:07,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:07,752 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:07,769 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 19:00:07,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:00:07,957 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:07,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 321137177, now seen corresponding path program 1 times [2024-11-10 19:00:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632124444] [2024-11-10 19:00:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:07,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200837660] [2024-11-10 19:00:07,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:07,983 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 19:00:07,985 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 19:00:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:08,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:08,168 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:08,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:08,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632124444] [2024-11-10 19:00:08,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:08,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200837660] [2024-11-10 19:00:08,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200837660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:08,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:08,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:00:08,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553320888] [2024-11-10 19:00:08,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:08,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:08,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:08,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:08,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:08,170 INFO L87 Difference]: Start difference. First operand 221 states and 260 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:08,498 INFO L93 Difference]: Finished difference Result 282 states and 329 transitions. [2024-11-10 19:00:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:08,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 19:00:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:08,500 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:08,500 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:08,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:08,501 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 278 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:08,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 240 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 223. [2024-11-10 19:00:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 172 states have (on average 1.4593023255813953) internal successors, (251), 215 states have internal predecessors, (251), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 261 transitions. [2024-11-10 19:00:08,509 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 261 transitions. Word has length 33 [2024-11-10 19:00:08,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:08,509 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 261 transitions. [2024-11-10 19:00:08,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 261 transitions. [2024-11-10 19:00:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:00:08,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:08,510 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:08,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:00:08,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:00:08,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:08,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1365317965, now seen corresponding path program 1 times [2024-11-10 19:00:08,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:08,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021265471] [2024-11-10 19:00:08,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:08,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021265471] [2024-11-10 19:00:08,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021265471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474442140] [2024-11-10 19:00:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:08,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:08,866 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 19:00:08,868 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 19:00:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:08,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:09,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474442140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:09,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 19:00:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039975996] [2024-11-10 19:00:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:09,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:09,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:09,038 INFO L87 Difference]: Start difference. First operand 223 states and 261 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,399 INFO L93 Difference]: Finished difference Result 282 states and 327 transitions. [2024-11-10 19:00:09,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:09,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-10 19:00:09,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,401 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:09,401 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:09,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:09,404 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 325 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 220 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:09,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 224. [2024-11-10 19:00:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 173 states have (on average 1.4508670520231215) internal successors, (251), 216 states have internal predecessors, (251), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2024-11-10 19:00:09,412 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 34 [2024-11-10 19:00:09,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,413 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2024-11-10 19:00:09,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2024-11-10 19:00:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:00:09,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,416 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,432 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 19:00:09,619 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,SelfDestructingSolverStorable14 [2024-11-10 19:00:09,620 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,620 INFO L85 PathProgramCache]: Analyzing trace with hash 847269653, now seen corresponding path program 1 times [2024-11-10 19:00:09,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916808856] [2024-11-10 19:00:09,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:09,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:09,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916808856] [2024-11-10 19:00:09,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916808856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:09,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:00:09,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210942119] [2024-11-10 19:00:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:09,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:09,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:09,736 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,983 INFO L93 Difference]: Finished difference Result 224 states and 261 transitions. [2024-11-10 19:00:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:09,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-10 19:00:09,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,984 INFO L225 Difference]: With dead ends: 224 [2024-11-10 19:00:09,984 INFO L226 Difference]: Without dead ends: 222 [2024-11-10 19:00:09,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:09,985 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 131 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 226 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:09,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-10 19:00:09,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-10 19:00:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 173 states have (on average 1.4219653179190752) internal successors, (246), 214 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 256 transitions. [2024-11-10 19:00:09,996 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 256 transitions. Word has length 37 [2024-11-10 19:00:09,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,997 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 256 transitions. [2024-11-10 19:00:09,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 256 transitions. [2024-11-10 19:00:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:00:09,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,998 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:00:09,998 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,998 INFO L85 PathProgramCache]: Analyzing trace with hash 495555529, now seen corresponding path program 1 times [2024-11-10 19:00:09,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494795543] [2024-11-10 19:00:09,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:10,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712594396] [2024-11-10 19:00:10,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:10,014 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 19:00:10,015 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 19:00:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:10,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:10,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:10,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494795543] [2024-11-10 19:00:10,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712594396] [2024-11-10 19:00:10,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712594396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:10,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:10,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:00:10,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634266704] [2024-11-10 19:00:10,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:10,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:00:10,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:10,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:00:10,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:10,280 INFO L87 Difference]: Start difference. First operand 222 states and 256 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:10,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:10,660 INFO L93 Difference]: Finished difference Result 274 states and 319 transitions. [2024-11-10 19:00:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:00:10,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-10 19:00:10,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:10,663 INFO L225 Difference]: With dead ends: 274 [2024-11-10 19:00:10,663 INFO L226 Difference]: Without dead ends: 272 [2024-11-10 19:00:10,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:10,664 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 357 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:10,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 154 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:10,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-10 19:00:10,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 226. [2024-11-10 19:00:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.4067796610169492) internal successors, (249), 218 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 259 transitions. [2024-11-10 19:00:10,672 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 259 transitions. Word has length 38 [2024-11-10 19:00:10,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:10,672 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 259 transitions. [2024-11-10 19:00:10,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 259 transitions. [2024-11-10 19:00:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 19:00:10,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:10,673 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:10,690 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 19:00:10,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:00:10,878 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:10,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:10,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1817647725, now seen corresponding path program 1 times [2024-11-10 19:00:10,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:10,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094478654] [2024-11-10 19:00:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:10,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:10,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094478654] [2024-11-10 19:00:10,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094478654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:10,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:10,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258903201] [2024-11-10 19:00:10,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:10,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:10,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:10,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:10,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:10,936 INFO L87 Difference]: Start difference. First operand 226 states and 259 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:11,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:11,216 INFO L93 Difference]: Finished difference Result 247 states and 286 transitions. [2024-11-10 19:00:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:11,216 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-10 19:00:11,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:11,218 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:11,219 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:11,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:11,219 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 102 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:11,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 161 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:11,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2024-11-10 19:00:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.398876404494382) internal successors, (249), 219 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2024-11-10 19:00:11,229 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 39 [2024-11-10 19:00:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:11,229 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2024-11-10 19:00:11,229 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2024-11-10 19:00:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:00:11,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:11,230 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:11,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:00:11,230 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:11,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -512504569, now seen corresponding path program 1 times [2024-11-10 19:00:11,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156042674] [2024-11-10 19:00:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:11,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:11,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156042674] [2024-11-10 19:00:11,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156042674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:11,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:11,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:11,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233328915] [2024-11-10 19:00:11,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:11,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:11,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:11,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:11,302 INFO L87 Difference]: Start difference. First operand 227 states and 259 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:11,633 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2024-11-10 19:00:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:11,634 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2024-11-10 19:00:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:11,635 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:11,635 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:11,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:11,636 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 74 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:11,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 175 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:11,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:11,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 228. [2024-11-10 19:00:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 179 states have (on average 1.3910614525139664) internal successors, (249), 220 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2024-11-10 19:00:11,645 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 40 [2024-11-10 19:00:11,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:11,645 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2024-11-10 19:00:11,645 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2024-11-10 19:00:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:00:11,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:11,646 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:11,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:00:11,646 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:11,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:11,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1898511097, now seen corresponding path program 1 times [2024-11-10 19:00:11,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:11,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177352233] [2024-11-10 19:00:11,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:11,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:11,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:11,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177352233] [2024-11-10 19:00:11,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177352233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:11,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:11,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:11,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324368015] [2024-11-10 19:00:11,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:11,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:11,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:11,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:11,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:11,733 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,007 INFO L93 Difference]: Finished difference Result 247 states and 282 transitions. [2024-11-10 19:00:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:12,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2024-11-10 19:00:12,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,009 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:12,010 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:12,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:12,010 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 345 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 138 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 237. [2024-11-10 19:00:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 188 states have (on average 1.377659574468085) internal successors, (259), 229 states have internal predecessors, (259), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2024-11-10 19:00:12,024 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 50 [2024-11-10 19:00:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,024 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2024-11-10 19:00:12,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2024-11-10 19:00:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:00:12,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,025 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 19:00:12,025 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1275698164, now seen corresponding path program 1 times [2024-11-10 19:00:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969143207] [2024-11-10 19:00:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969143207] [2024-11-10 19:00:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969143207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017471698] [2024-11-10 19:00:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:12,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:12,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:12,082 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,180 INFO L93 Difference]: Finished difference Result 237 states and 269 transitions. [2024-11-10 19:00:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:12,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2024-11-10 19:00:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,182 INFO L225 Difference]: With dead ends: 237 [2024-11-10 19:00:12,182 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:00:12,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 19:00:12,183 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 161 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:00:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-10 19:00:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.3670212765957446) internal successors, (257), 228 states have internal predecessors, (257), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2024-11-10 19:00:12,192 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 51 [2024-11-10 19:00:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,193 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2024-11-10 19:00:12,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2024-11-10 19:00:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:00:12,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,194 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:00:12,194 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,194 INFO L85 PathProgramCache]: Analyzing trace with hash -994704365, now seen corresponding path program 1 times [2024-11-10 19:00:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252868138] [2024-11-10 19:00:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:12,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:12,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252868138] [2024-11-10 19:00:12,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252868138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:12,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:12,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:12,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063103802] [2024-11-10 19:00:12,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:12,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:12,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:12,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:12,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:12,281 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,531 INFO L93 Difference]: Finished difference Result 241 states and 272 transitions. [2024-11-10 19:00:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:12,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 53 [2024-11-10 19:00:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,535 INFO L225 Difference]: With dead ends: 241 [2024-11-10 19:00:12,535 INFO L226 Difference]: Without dead ends: 240 [2024-11-10 19:00:12,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:12,536 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 164 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 181 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:12,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-10 19:00:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2024-11-10 19:00:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 229 states have internal predecessors, (258), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2024-11-10 19:00:12,545 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 53 [2024-11-10 19:00:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,545 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2024-11-10 19:00:12,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2024-11-10 19:00:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:00:12,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,546 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 19:00:12,547 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1841572796, now seen corresponding path program 1 times [2024-11-10 19:00:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118345899] [2024-11-10 19:00:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:12,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:12,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118345899] [2024-11-10 19:00:12,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118345899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:12,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:12,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474620172] [2024-11-10 19:00:12,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:12,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:12,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:12,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:12,608 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,751 INFO L93 Difference]: Finished difference Result 255 states and 288 transitions. [2024-11-10 19:00:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:12,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-11-10 19:00:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,753 INFO L225 Difference]: With dead ends: 255 [2024-11-10 19:00:12,753 INFO L226 Difference]: Without dead ends: 253 [2024-11-10 19:00:12,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:12,754 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 21 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 331 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-10 19:00:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2024-11-10 19:00:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 201 states have (on average 1.3532338308457712) internal successors, (272), 241 states have internal predecessors, (272), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 282 transitions. [2024-11-10 19:00:12,763 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 282 transitions. Word has length 54 [2024-11-10 19:00:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,764 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 282 transitions. [2024-11-10 19:00:12,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 282 transitions. [2024-11-10 19:00:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:00:12,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,764 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 19:00:12,765 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1866813521, now seen corresponding path program 1 times [2024-11-10 19:00:12,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31102430] [2024-11-10 19:00:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:12,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:12,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31102430] [2024-11-10 19:00:12,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31102430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:12,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:12,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005212396] [2024-11-10 19:00:12,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:12,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:12,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:12,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:12,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:12,818 INFO L87 Difference]: Start difference. First operand 249 states and 282 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,871 INFO L93 Difference]: Finished difference Result 288 states and 299 transitions. [2024-11-10 19:00:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:12,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-10 19:00:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,873 INFO L225 Difference]: With dead ends: 288 [2024-11-10 19:00:12,873 INFO L226 Difference]: Without dead ends: 286 [2024-11-10 19:00:12,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:12,874 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 61 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 361 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:00:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-10 19:00:12,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 258. [2024-11-10 19:00:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.338095238095238) internal successors, (281), 250 states have internal predecessors, (281), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 291 transitions. [2024-11-10 19:00:12,883 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 291 transitions. Word has length 55 [2024-11-10 19:00:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,883 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 291 transitions. [2024-11-10 19:00:12,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 291 transitions. [2024-11-10 19:00:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:00:12,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,884 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 19:00:12,885 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash -750471364, now seen corresponding path program 1 times [2024-11-10 19:00:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618603358] [2024-11-10 19:00:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:12,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502491188] [2024-11-10 19:00:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:12,899 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 19:00:12,900 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 19:00:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:12,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:13,151 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:13,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618603358] [2024-11-10 19:00:13,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502491188] [2024-11-10 19:00:13,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502491188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:13,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:13,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:00:13,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100590422] [2024-11-10 19:00:13,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:13,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:00:13,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:13,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:00:13,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:13,153 INFO L87 Difference]: Start difference. First operand 258 states and 291 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:13,407 INFO L93 Difference]: Finished difference Result 258 states and 291 transitions. [2024-11-10 19:00:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:13,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-11-10 19:00:13,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:13,412 INFO L225 Difference]: With dead ends: 258 [2024-11-10 19:00:13,412 INFO L226 Difference]: Without dead ends: 255 [2024-11-10 19:00:13,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:13,413 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 121 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:13,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 395 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:13,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-10 19:00:13,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-10 19:00:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 210 states have (on average 1.3095238095238095) internal successors, (275), 247 states have internal predecessors, (275), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:00:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 285 transitions. [2024-11-10 19:00:13,426 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 285 transitions. Word has length 59 [2024-11-10 19:00:13,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:13,426 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 285 transitions. [2024-11-10 19:00:13,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 285 transitions. [2024-11-10 19:00:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:00:13,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:13,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:13,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:00:13,633 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,SelfDestructingSolverStorable24 [2024-11-10 19:00:13,634 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:13,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:13,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1789775712, now seen corresponding path program 1 times [2024-11-10 19:00:13,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:13,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543972271] [2024-11-10 19:00:13,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:13,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:13,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969141953] [2024-11-10 19:00:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:13,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:13,656 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 19:00:13,657 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 19:00:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:13,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:13,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:14,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:14,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:14,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543972271] [2024-11-10 19:00:14,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:14,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969141953] [2024-11-10 19:00:14,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969141953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:14,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:14,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:00:14,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080012568] [2024-11-10 19:00:14,949 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:14,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:14,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:14,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:14,950 INFO L87 Difference]: Start difference. First operand 255 states and 285 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:15,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:15,371 INFO L93 Difference]: Finished difference Result 317 states and 355 transitions. [2024-11-10 19:00:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:00:15,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 60 [2024-11-10 19:00:15,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:15,373 INFO L225 Difference]: With dead ends: 317 [2024-11-10 19:00:15,374 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 19:00:15,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:15,376 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 416 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:15,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 370 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 19:00:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 265. [2024-11-10 19:00:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 219 states have (on average 1.3333333333333333) internal successors, (292), 256 states have internal predecessors, (292), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:00:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 304 transitions. [2024-11-10 19:00:15,388 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 304 transitions. Word has length 60 [2024-11-10 19:00:15,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:15,388 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 304 transitions. [2024-11-10 19:00:15,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 304 transitions. [2024-11-10 19:00:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:00:15,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:15,389 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:15,405 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 19:00:15,589 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,SelfDestructingSolverStorable25 [2024-11-10 19:00:15,589 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:15,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:15,590 INFO L85 PathProgramCache]: Analyzing trace with hash -323005289, now seen corresponding path program 1 times [2024-11-10 19:00:15,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:15,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81450886] [2024-11-10 19:00:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:15,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432991160] [2024-11-10 19:00:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:15,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:15,612 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 19:00:15,614 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 19:00:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:15,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:15,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:15,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:16,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:16,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81450886] [2024-11-10 19:00:16,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:16,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432991160] [2024-11-10 19:00:16,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432991160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:16,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:16,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-10 19:00:16,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626801085] [2024-11-10 19:00:16,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:16,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:16,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:16,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:16,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:16,242 INFO L87 Difference]: Start difference. First operand 265 states and 304 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:00:17,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:17,099 INFO L93 Difference]: Finished difference Result 405 states and 474 transitions. [2024-11-10 19:00:17,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:00:17,100 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2024-11-10 19:00:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:17,102 INFO L225 Difference]: With dead ends: 405 [2024-11-10 19:00:17,102 INFO L226 Difference]: Without dead ends: 399 [2024-11-10 19:00:17,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:00:17,103 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 700 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:17,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 427 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:00:17,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-10 19:00:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 299. [2024-11-10 19:00:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 254 states have (on average 1.3188976377952757) internal successors, (335), 289 states have internal predecessors, (335), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:00:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 349 transitions. [2024-11-10 19:00:17,116 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 349 transitions. Word has length 65 [2024-11-10 19:00:17,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:17,116 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 349 transitions. [2024-11-10 19:00:17,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:00:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 349 transitions. [2024-11-10 19:00:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:00:17,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:17,118 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:17,135 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 19:00:17,322 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 19:00:17,323 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:17,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:17,323 INFO L85 PathProgramCache]: Analyzing trace with hash 185031016, now seen corresponding path program 1 times [2024-11-10 19:00:17,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:17,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807204753] [2024-11-10 19:00:17,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:17,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:17,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792274414] [2024-11-10 19:00:17,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:17,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:17,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:17,347 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 19:00:17,354 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 19:00:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:17,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:00:17,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:17,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:17,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807204753] [2024-11-10 19:00:17,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792274414] [2024-11-10 19:00:17,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792274414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:17,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:17,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:00:17,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921030829] [2024-11-10 19:00:17,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:17,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:17,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:17,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:17,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:17,748 INFO L87 Difference]: Start difference. First operand 299 states and 349 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:18,184 INFO L93 Difference]: Finished difference Result 309 states and 352 transitions. [2024-11-10 19:00:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:18,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2024-11-10 19:00:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:18,186 INFO L225 Difference]: With dead ends: 309 [2024-11-10 19:00:18,186 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 19:00:18,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:18,187 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 160 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:18,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 414 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:00:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 19:00:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 295. [2024-11-10 19:00:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 254 states have (on average 1.295275590551181) internal successors, (329), 285 states have internal predecessors, (329), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:00:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 343 transitions. [2024-11-10 19:00:18,204 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 343 transitions. Word has length 67 [2024-11-10 19:00:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:18,205 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 343 transitions. [2024-11-10 19:00:18,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 343 transitions. [2024-11-10 19:00:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:00:18,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:18,206 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:18,223 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 19:00:18,410 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 19:00:18,411 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:18,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:18,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1440994287, now seen corresponding path program 1 times [2024-11-10 19:00:18,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:18,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81804081] [2024-11-10 19:00:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:18,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598051853] [2024-11-10 19:00:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:18,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:18,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:18,426 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 19:00:18,428 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 19:00:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:18,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:00:18,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:18,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:19,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81804081] [2024-11-10 19:00:19,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598051853] [2024-11-10 19:00:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598051853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:19,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:19,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:00:19,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735053639] [2024-11-10 19:00:19,558 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:19,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:00:19,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:19,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:00:19,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:19,559 INFO L87 Difference]: Start difference. First operand 295 states and 343 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:19,949 INFO L93 Difference]: Finished difference Result 387 states and 445 transitions. [2024-11-10 19:00:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:00:19,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2024-11-10 19:00:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:19,950 INFO L225 Difference]: With dead ends: 387 [2024-11-10 19:00:19,951 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 19:00:19,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:19,951 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 300 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:19,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 488 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:00:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 19:00:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 342. [2024-11-10 19:00:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 300 states have (on average 1.32) internal successors, (396), 331 states have internal predecessors, (396), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 412 transitions. [2024-11-10 19:00:19,965 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 412 transitions. Word has length 68 [2024-11-10 19:00:19,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:19,965 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 412 transitions. [2024-11-10 19:00:19,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 412 transitions. [2024-11-10 19:00:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:00:19,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:19,966 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:19,982 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 19:00:20,166 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 19:00:20,167 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:20,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash 493596051, now seen corresponding path program 1 times [2024-11-10 19:00:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:20,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264516756] [2024-11-10 19:00:20,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:20,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167396938] [2024-11-10 19:00:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:20,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:20,184 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 19:00:20,185 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 19:00:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:20,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:20,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:20,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:20,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264516756] [2024-11-10 19:00:20,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:20,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167396938] [2024-11-10 19:00:20,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167396938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:20,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:20,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-10 19:00:20,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889887482] [2024-11-10 19:00:20,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:20,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:20,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:20,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:20,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:20,372 INFO L87 Difference]: Start difference. First operand 342 states and 412 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:20,610 INFO L93 Difference]: Finished difference Result 388 states and 444 transitions. [2024-11-10 19:00:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2024-11-10 19:00:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:20,612 INFO L225 Difference]: With dead ends: 388 [2024-11-10 19:00:20,612 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 19:00:20,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:20,613 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 334 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:20,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 261 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 19:00:20,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2024-11-10 19:00:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 300 states have (on average 1.31) internal successors, (393), 331 states have internal predecessors, (393), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 409 transitions. [2024-11-10 19:00:20,627 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 409 transitions. Word has length 69 [2024-11-10 19:00:20,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:20,627 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 409 transitions. [2024-11-10 19:00:20,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 409 transitions. [2024-11-10 19:00:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 19:00:20,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:20,628 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:20,645 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 19:00:20,832 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 19:00:20,833 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:20,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1899404817, now seen corresponding path program 1 times [2024-11-10 19:00:20,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:20,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826531261] [2024-11-10 19:00:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:20,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771558026] [2024-11-10 19:00:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:20,846 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 19:00:20,851 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 19:00:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:00:20,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:21,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:21,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:21,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826531261] [2024-11-10 19:00:21,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:21,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771558026] [2024-11-10 19:00:21,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771558026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:21,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:21,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-10 19:00:21,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375426093] [2024-11-10 19:00:21,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:21,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:21,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:21,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:21,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:21,552 INFO L87 Difference]: Start difference. First operand 342 states and 409 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:24,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:24,707 INFO L93 Difference]: Finished difference Result 399 states and 473 transitions. [2024-11-10 19:00:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:00:24,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 71 [2024-11-10 19:00:24,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:24,709 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:00:24,709 INFO L226 Difference]: Without dead ends: 397 [2024-11-10 19:00:24,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:00:24,710 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 376 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:24,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 436 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-10 19:00:24,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-10 19:00:24,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 347. [2024-11-10 19:00:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 305 states have (on average 1.301639344262295) internal successors, (397), 336 states have internal predecessors, (397), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 413 transitions. [2024-11-10 19:00:24,725 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 413 transitions. Word has length 71 [2024-11-10 19:00:24,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:24,726 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 413 transitions. [2024-11-10 19:00:24,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 413 transitions. [2024-11-10 19:00:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:00:24,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:24,727 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:24,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:00:24,931 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 19:00:24,931 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:24,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:24,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1247992747, now seen corresponding path program 1 times [2024-11-10 19:00:24,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:24,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317418247] [2024-11-10 19:00:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:24,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:24,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:25,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317418247] [2024-11-10 19:00:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317418247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990276055] [2024-11-10 19:00:25,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:25,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:25,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:25,004 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 19:00:25,005 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 19:00:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:25,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:25,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:25,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:25,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990276055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:25,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:25,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-10 19:00:25,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459911684] [2024-11-10 19:00:25,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:25,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:00:25,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:25,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:00:25,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:00:25,215 INFO L87 Difference]: Start difference. First operand 347 states and 413 transitions. Second operand has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:25,577 INFO L93 Difference]: Finished difference Result 347 states and 413 transitions. [2024-11-10 19:00:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:25,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 72 [2024-11-10 19:00:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:25,579 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:00:25,579 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 19:00:25,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:00:25,580 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 254 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:25,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 412 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 19:00:25,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-10 19:00:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 305 states have (on average 1.278688524590164) internal successors, (390), 334 states have internal predecessors, (390), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 406 transitions. [2024-11-10 19:00:25,593 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 406 transitions. Word has length 72 [2024-11-10 19:00:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:25,594 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 406 transitions. [2024-11-10 19:00:25,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 406 transitions. [2024-11-10 19:00:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:00:25,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:25,595 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:25,611 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 19:00:25,795 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 19:00:25,795 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:25,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1460838891, now seen corresponding path program 1 times [2024-11-10 19:00:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:25,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237734356] [2024-11-10 19:00:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:25,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:25,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239159445] [2024-11-10 19:00:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:25,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:25,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:25,812 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 19:00:25,813 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 19:00:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:25,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:00:25,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:26,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237734356] [2024-11-10 19:00:26,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239159445] [2024-11-10 19:00:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239159445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:26,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:26,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:00:26,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726063495] [2024-11-10 19:00:26,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:26,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:00:26,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:00:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:26,224 INFO L87 Difference]: Start difference. First operand 345 states and 406 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:26,716 INFO L93 Difference]: Finished difference Result 363 states and 423 transitions. [2024-11-10 19:00:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:00:26,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2024-11-10 19:00:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:26,719 INFO L225 Difference]: With dead ends: 363 [2024-11-10 19:00:26,719 INFO L226 Difference]: Without dead ends: 361 [2024-11-10 19:00:26,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:26,720 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 292 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:26,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 384 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:00:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-10 19:00:26,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 343. [2024-11-10 19:00:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 305 states have (on average 1.2622950819672132) internal successors, (385), 332 states have internal predecessors, (385), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 401 transitions. [2024-11-10 19:00:26,735 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 401 transitions. Word has length 72 [2024-11-10 19:00:26,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:26,735 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 401 transitions. [2024-11-10 19:00:26,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 401 transitions. [2024-11-10 19:00:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 19:00:26,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:26,736 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:26,753 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 19:00:26,940 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 19:00:26,940 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:26,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1958634557, now seen corresponding path program 1 times [2024-11-10 19:00:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:26,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700312016] [2024-11-10 19:00:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:26,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669117169] [2024-11-10 19:00:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:26,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:26,960 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 19:00:26,961 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 19:00:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:27,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:00:27,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:27,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:27,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700312016] [2024-11-10 19:00:27,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:27,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669117169] [2024-11-10 19:00:27,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669117169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:27,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:27,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-10 19:00:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181499074] [2024-11-10 19:00:27,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:27,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:27,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:27,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:27,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:27,746 INFO L87 Difference]: Start difference. First operand 343 states and 401 transitions. Second operand has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:28,767 INFO L93 Difference]: Finished difference Result 491 states and 543 transitions. [2024-11-10 19:00:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:00:28,768 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 73 [2024-11-10 19:00:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:28,770 INFO L225 Difference]: With dead ends: 491 [2024-11-10 19:00:28,770 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 19:00:28,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-10 19:00:28,771 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1041 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:28,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 689 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:00:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 19:00:28,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 387. [2024-11-10 19:00:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 348 states have (on average 1.2672413793103448) internal successors, (441), 375 states have internal predecessors, (441), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2024-11-10 19:00:28,798 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 73 [2024-11-10 19:00:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:28,798 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2024-11-10 19:00:28,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2024-11-10 19:00:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:00:28,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:28,799 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:28,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:29,000 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 19:00:29,000 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:29,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:29,000 INFO L85 PathProgramCache]: Analyzing trace with hash -588129047, now seen corresponding path program 1 times [2024-11-10 19:00:29,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:29,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434038100] [2024-11-10 19:00:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:29,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:29,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195337543] [2024-11-10 19:00:29,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:29,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:29,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:29,013 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 19:00:29,014 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 19:00:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:29,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:00:29,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:29,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:30,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:30,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434038100] [2024-11-10 19:00:30,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:30,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195337543] [2024-11-10 19:00:30,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195337543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:30,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:30,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-11-10 19:00:30,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52857399] [2024-11-10 19:00:30,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:30,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:00:30,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:30,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:00:30,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:00:30,730 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:36,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:37,000 INFO L93 Difference]: Finished difference Result 608 states and 734 transitions. [2024-11-10 19:00:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-10 19:00:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 74 [2024-11-10 19:00:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:37,002 INFO L225 Difference]: With dead ends: 608 [2024-11-10 19:00:37,002 INFO L226 Difference]: Without dead ends: 604 [2024-11-10 19:00:37,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2024-11-10 19:00:37,003 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 894 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:37,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 478 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-10 19:00:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-10 19:00:37,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 440. [2024-11-10 19:00:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 401 states have (on average 1.254364089775561) internal successors, (503), 428 states have internal predecessors, (503), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 521 transitions. [2024-11-10 19:00:37,025 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 521 transitions. Word has length 74 [2024-11-10 19:00:37,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:37,025 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 521 transitions. [2024-11-10 19:00:37,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 521 transitions. [2024-11-10 19:00:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:00:37,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:37,034 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:37,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:37,237 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 19:00:37,238 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:37,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1052131199, now seen corresponding path program 1 times [2024-11-10 19:00:37,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:37,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553071983] [2024-11-10 19:00:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:37,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48706177] [2024-11-10 19:00:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:37,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:37,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:37,257 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 19:00:37,259 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 19:00:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:37,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:00:37,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:37,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:42,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:42,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553071983] [2024-11-10 19:00:42,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:42,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48706177] [2024-11-10 19:00:42,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48706177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:42,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:42,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:00:42,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470721732] [2024-11-10 19:00:42,515 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:42,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:42,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:42,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:42,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=354, Unknown=1, NotChecked=0, Total=420 [2024-11-10 19:00:42,516 INFO L87 Difference]: Start difference. First operand 440 states and 521 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:43,363 INFO L93 Difference]: Finished difference Result 466 states and 540 transitions. [2024-11-10 19:00:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:00:43,364 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 75 [2024-11-10 19:00:43,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:43,365 INFO L225 Difference]: With dead ends: 466 [2024-11-10 19:00:43,365 INFO L226 Difference]: Without dead ends: 462 [2024-11-10 19:00:43,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=119, Invalid=582, Unknown=1, NotChecked=0, Total=702 [2024-11-10 19:00:43,366 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 268 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:43,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 531 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:00:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-10 19:00:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 447. [2024-11-10 19:00:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 408 states have (on average 1.2475490196078431) internal successors, (509), 435 states have internal predecessors, (509), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 527 transitions. [2024-11-10 19:00:43,387 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 527 transitions. Word has length 75 [2024-11-10 19:00:43,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:43,387 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 527 transitions. [2024-11-10 19:00:43,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 527 transitions. [2024-11-10 19:00:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:00:43,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:43,388 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:43,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:43,592 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 19:00:43,592 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:43,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1623663919, now seen corresponding path program 1 times [2024-11-10 19:00:43,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:43,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731785045] [2024-11-10 19:00:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:43,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:43,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731785045] [2024-11-10 19:00:43,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731785045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:43,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388021070] [2024-11-10 19:00:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:43,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:43,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:43,664 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 19:00:43,665 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 19:00:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:43,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:43,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:43,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:43,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388021070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:43,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:43,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 19:00:43,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356184615] [2024-11-10 19:00:43,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:43,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:00:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:00:43,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:43,914 INFO L87 Difference]: Start difference. First operand 447 states and 527 transitions. Second operand has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:44,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:44,411 INFO L93 Difference]: Finished difference Result 629 states and 764 transitions. [2024-11-10 19:00:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:00:44,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 76 [2024-11-10 19:00:44,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:44,413 INFO L225 Difference]: With dead ends: 629 [2024-11-10 19:00:44,413 INFO L226 Difference]: Without dead ends: 627 [2024-11-10 19:00:44,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:44,414 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 189 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:44,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 326 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:00:44,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-10 19:00:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 597. [2024-11-10 19:00:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 555 states have (on average 1.2756756756756757) internal successors, (708), 582 states have internal predecessors, (708), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:00:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 732 transitions. [2024-11-10 19:00:44,440 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 732 transitions. Word has length 76 [2024-11-10 19:00:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:44,440 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 732 transitions. [2024-11-10 19:00:44,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 732 transitions. [2024-11-10 19:00:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:00:44,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:44,441 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:44,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:44,642 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 19:00:44,642 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:44,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:44,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1206026123, now seen corresponding path program 1 times [2024-11-10 19:00:44,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:44,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241052463] [2024-11-10 19:00:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:44,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:44,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241052463] [2024-11-10 19:00:44,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241052463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:44,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:44,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:44,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366453402] [2024-11-10 19:00:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:44,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:44,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:44,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:44,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:44,705 INFO L87 Difference]: Start difference. First operand 597 states and 732 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 19:00:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:44,969 INFO L93 Difference]: Finished difference Result 870 states and 1089 transitions. [2024-11-10 19:00:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:44,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 77 [2024-11-10 19:00:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:44,971 INFO L225 Difference]: With dead ends: 870 [2024-11-10 19:00:44,971 INFO L226 Difference]: Without dead ends: 868 [2024-11-10 19:00:44,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:44,972 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:44,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 309 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-10 19:00:45,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 795. [2024-11-10 19:00:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 748 states have (on average 1.2914438502673797) internal successors, (966), 775 states have internal predecessors, (966), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:00:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1000 transitions. [2024-11-10 19:00:45,017 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1000 transitions. Word has length 77 [2024-11-10 19:00:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:45,017 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1000 transitions. [2024-11-10 19:00:45,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 19:00:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1000 transitions. [2024-11-10 19:00:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:00:45,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:45,018 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:45,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 19:00:45,019 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:45,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1267895793, now seen corresponding path program 1 times [2024-11-10 19:00:45,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:45,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365637684] [2024-11-10 19:00:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:45,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:45,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:45,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:45,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:45,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:45,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365637684] [2024-11-10 19:00:45,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365637684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:45,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634838184] [2024-11-10 19:00:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:45,159 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 19:00:45,161 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 19:00:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:45,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:45,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:45,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:45,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634838184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:45,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:45,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-10 19:00:45,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863340710] [2024-11-10 19:00:45,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:45,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:00:45,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:45,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:00:45,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:45,569 INFO L87 Difference]: Start difference. First operand 795 states and 1000 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:45,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:45,941 INFO L93 Difference]: Finished difference Result 812 states and 1015 transitions. [2024-11-10 19:00:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:45,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 78 [2024-11-10 19:00:45,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:45,945 INFO L225 Difference]: With dead ends: 812 [2024-11-10 19:00:45,945 INFO L226 Difference]: Without dead ends: 810 [2024-11-10 19:00:45,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:45,946 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 170 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:45,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 309 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-10 19:00:45,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 803. [2024-11-10 19:00:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 756 states have (on average 1.287037037037037) internal successors, (973), 783 states have internal predecessors, (973), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:00:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1007 transitions. [2024-11-10 19:00:45,986 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1007 transitions. Word has length 78 [2024-11-10 19:00:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:45,987 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1007 transitions. [2024-11-10 19:00:45,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1007 transitions. [2024-11-10 19:00:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:00:45,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:45,988 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:00:46,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:46,188 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 19:00:46,189 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:46,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:46,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2134443807, now seen corresponding path program 1 times [2024-11-10 19:00:46,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:46,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386698130] [2024-11-10 19:00:46,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:46,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637831944] [2024-11-10 19:00:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:46,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:46,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:46,216 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 19:00:46,226 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 19:00:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:46,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:00:46,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:46,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:00:46,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386698130] [2024-11-10 19:00:46,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637831944] [2024-11-10 19:00:46,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637831944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:46,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:46,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-10 19:00:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388312669] [2024-11-10 19:00:46,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:46,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:46,906 INFO L87 Difference]: Start difference. First operand 803 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:49,890 INFO L93 Difference]: Finished difference Result 818 states and 1023 transitions. [2024-11-10 19:00:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 19:00:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 82 [2024-11-10 19:00:49,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:49,892 INFO L225 Difference]: With dead ends: 818 [2024-11-10 19:00:49,893 INFO L226 Difference]: Without dead ends: 815 [2024-11-10 19:00:49,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:00:49,893 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 317 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:49,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 217 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 19:00:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-10 19:00:49,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 813. [2024-11-10 19:00:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 767 states have (on average 1.2777053455019556) internal successors, (980), 793 states have internal predecessors, (980), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:00:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1014 transitions. [2024-11-10 19:00:49,935 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1014 transitions. Word has length 82 [2024-11-10 19:00:49,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:49,935 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1014 transitions. [2024-11-10 19:00:49,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:00:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1014 transitions. [2024-11-10 19:00:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:00:49,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:49,936 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:00:49,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:50,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:00:50,141 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:50,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash -856948721, now seen corresponding path program 1 times [2024-11-10 19:00:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:50,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673219862] [2024-11-10 19:00:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:50,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:50,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673219862] [2024-11-10 19:00:50,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673219862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:50,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100013854] [2024-11-10 19:00:50,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:50,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:50,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:50,229 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:50,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:00:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:50,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:50,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:50,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:50,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100013854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:50,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:50,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:00:50,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524725406] [2024-11-10 19:00:50,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:50,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:50,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:50,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:50,686 INFO L87 Difference]: Start difference. First operand 813 states and 1014 transitions. Second operand has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 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 19:00:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:51,126 INFO L93 Difference]: Finished difference Result 1267 states and 1583 transitions. [2024-11-10 19:00:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:00:51,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 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) Word has length 88 [2024-11-10 19:00:51,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:51,131 INFO L225 Difference]: With dead ends: 1267 [2024-11-10 19:00:51,131 INFO L226 Difference]: Without dead ends: 1265 [2024-11-10 19:00:51,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:00:51,132 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 1029 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:51,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 383 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:51,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-10 19:00:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1089. [2024-11-10 19:00:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1036 states have (on average 1.2712355212355213) internal successors, (1317), 1061 states have internal predecessors, (1317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:00:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1367 transitions. [2024-11-10 19:00:51,194 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1367 transitions. Word has length 88 [2024-11-10 19:00:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:51,195 INFO L471 AbstractCegarLoop]: Abstraction has 1089 states and 1367 transitions. [2024-11-10 19:00:51,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 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 19:00:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1367 transitions. [2024-11-10 19:00:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 19:00:51,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:51,196 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:00:51,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:00:51,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:51,401 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:51,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:51,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1346292747, now seen corresponding path program 1 times [2024-11-10 19:00:51,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:51,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476372274] [2024-11-10 19:00:51,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:51,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476372274] [2024-11-10 19:00:51,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476372274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142170065] [2024-11-10 19:00:51,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:51,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:51,484 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:51,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:00:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:51,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142170065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:51,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:51,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:00:51,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769447739] [2024-11-10 19:00:51,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:51,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:51,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:51,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:51,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:51,869 INFO L87 Difference]: Start difference. First operand 1089 states and 1367 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:52,651 INFO L93 Difference]: Finished difference Result 1690 states and 2106 transitions. [2024-11-10 19:00:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:00:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 91 [2024-11-10 19:00:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:52,657 INFO L225 Difference]: With dead ends: 1690 [2024-11-10 19:00:52,658 INFO L226 Difference]: Without dead ends: 1689 [2024-11-10 19:00:52,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:00:52,661 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 379 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:52,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 610 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:00:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-11-10 19:00:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1428. [2024-11-10 19:00:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1366 states have (on average 1.2708638360175695) internal successors, (1736), 1391 states have internal predecessors, (1736), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:00:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1804 transitions. [2024-11-10 19:00:52,744 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1804 transitions. Word has length 91 [2024-11-10 19:00:52,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:52,744 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1804 transitions. [2024-11-10 19:00:52,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1804 transitions. [2024-11-10 19:00:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:00:52,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:52,745 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:00:52,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:00:52,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:52,950 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:52,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:52,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2118820279, now seen corresponding path program 1 times [2024-11-10 19:00:52,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176534280] [2024-11-10 19:00:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:53,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176534280] [2024-11-10 19:00:53,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176534280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61472922] [2024-11-10 19:00:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:53,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:53,041 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:53,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:00:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:53,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:53,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:53,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61472922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:53,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:53,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 19:00:53,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886053580] [2024-11-10 19:00:53,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:53,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:00:53,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:53,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:00:53,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:53,279 INFO L87 Difference]: Start difference. First operand 1428 states and 1804 transitions. Second operand has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:53,551 INFO L93 Difference]: Finished difference Result 1820 states and 2280 transitions. [2024-11-10 19:00:53,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:53,551 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 93 [2024-11-10 19:00:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:53,555 INFO L225 Difference]: With dead ends: 1820 [2024-11-10 19:00:53,555 INFO L226 Difference]: Without dead ends: 1819 [2024-11-10 19:00:53,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:53,556 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 115 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:53,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 691 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-11-10 19:00:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1732. [2024-11-10 19:00:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1664 states have (on average 1.2554086538461537) internal successors, (2089), 1689 states have internal predecessors, (2089), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2169 transitions. [2024-11-10 19:00:53,636 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2169 transitions. Word has length 93 [2024-11-10 19:00:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:53,637 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2169 transitions. [2024-11-10 19:00:53,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2169 transitions. [2024-11-10 19:00:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:00:53,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:53,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:00:53,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 19:00:53,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:53,839 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:53,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 252786401, now seen corresponding path program 1 times [2024-11-10 19:00:53,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:53,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868633504] [2024-11-10 19:00:53,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:00:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:53,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:53,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868633504] [2024-11-10 19:00:53,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868633504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:53,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682021478] [2024-11-10 19:00:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:53,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:53,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:53,957 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:53,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:00:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:54,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:54,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:54,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682021478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:54,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-10 19:00:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030257876] [2024-11-10 19:00:54,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:54,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:00:54,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:54,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:00:54,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:54,626 INFO L87 Difference]: Start difference. First operand 1732 states and 2169 transitions. Second operand has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:55,511 INFO L93 Difference]: Finished difference Result 1857 states and 2307 transitions. [2024-11-10 19:00:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:00:55,512 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 96 [2024-11-10 19:00:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:55,516 INFO L225 Difference]: With dead ends: 1857 [2024-11-10 19:00:55,516 INFO L226 Difference]: Without dead ends: 1856 [2024-11-10 19:00:55,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:00:55,518 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 666 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:55,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 656 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:00:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-10 19:00:55,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1738. [2024-11-10 19:00:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1670 states have (on average 1.2520958083832336) internal successors, (2091), 1695 states have internal predecessors, (2091), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2171 transitions. [2024-11-10 19:00:55,604 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2171 transitions. Word has length 96 [2024-11-10 19:00:55,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:55,604 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2171 transitions. [2024-11-10 19:00:55,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2171 transitions. [2024-11-10 19:00:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:00:55,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:55,605 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:55,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:55,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-10 19:00:55,805 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:55,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:55,806 INFO L85 PathProgramCache]: Analyzing trace with hash 751763880, now seen corresponding path program 2 times [2024-11-10 19:00:55,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:55,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671951590] [2024-11-10 19:00:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:55,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:55,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573670911] [2024-11-10 19:00:55,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:00:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:55,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:55,818 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:55,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:00:55,869 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:00:55,870 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:55,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:55,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:56,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:56,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671951590] [2024-11-10 19:00:56,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573670911] [2024-11-10 19:00:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573670911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:56,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-10 19:00:56,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775507177] [2024-11-10 19:00:56,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:56,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:00:56,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:56,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:00:56,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:00:56,887 INFO L87 Difference]: Start difference. First operand 1738 states and 2171 transitions. Second operand has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:00:58,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:58,103 INFO L93 Difference]: Finished difference Result 1873 states and 2323 transitions. [2024-11-10 19:00:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:00:58,103 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 98 [2024-11-10 19:00:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:58,107 INFO L225 Difference]: With dead ends: 1873 [2024-11-10 19:00:58,107 INFO L226 Difference]: Without dead ends: 1871 [2024-11-10 19:00:58,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:00:58,108 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 523 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:58,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 913 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:00:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-10 19:00:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1792. [2024-11-10 19:00:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1725 states have (on average 1.231304347826087) internal successors, (2124), 1749 states have internal predecessors, (2124), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2204 transitions. [2024-11-10 19:00:58,207 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2204 transitions. Word has length 98 [2024-11-10 19:00:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:58,207 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2204 transitions. [2024-11-10 19:00:58,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:00:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2204 transitions. [2024-11-10 19:00:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:00:58,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:58,208 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:00:58,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:58,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:58,409 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:58,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:58,409 INFO L85 PathProgramCache]: Analyzing trace with hash 558694149, now seen corresponding path program 1 times [2024-11-10 19:00:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:58,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464328596] [2024-11-10 19:00:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:58,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352875008] [2024-11-10 19:00:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:58,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:58,422 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:58,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:00:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:58,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:00:58,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:58,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:59,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:59,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464328596] [2024-11-10 19:00:59,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352875008] [2024-11-10 19:00:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352875008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:59,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:59,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-10 19:00:59,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032862865] [2024-11-10 19:00:59,119 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:59,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:00:59,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:59,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:00:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:59,120 INFO L87 Difference]: Start difference. First operand 1792 states and 2204 transitions. Second operand has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:01,274 INFO L93 Difference]: Finished difference Result 1821 states and 2231 transitions. [2024-11-10 19:01:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:01:01,274 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2024-11-10 19:01:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:01,287 INFO L225 Difference]: With dead ends: 1821 [2024-11-10 19:01:01,287 INFO L226 Difference]: Without dead ends: 1819 [2024-11-10 19:01:01,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:01:01,288 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 255 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:01,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 656 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 19:01:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-11-10 19:01:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1812. [2024-11-10 19:01:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1812 states, 1745 states have (on average 1.2292263610315186) internal successors, (2145), 1769 states have internal predecessors, (2145), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1812 states and 2225 transitions. [2024-11-10 19:01:01,391 INFO L78 Accepts]: Start accepts. Automaton has 1812 states and 2225 transitions. Word has length 99 [2024-11-10 19:01:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:01,391 INFO L471 AbstractCegarLoop]: Abstraction has 1812 states and 2225 transitions. [2024-11-10 19:01:01,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2225 transitions. [2024-11-10 19:01:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:01:01,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:01,394 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:01:01,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-10 19:01:01,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:01,596 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:01,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:01,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1682041957, now seen corresponding path program 1 times [2024-11-10 19:01:01,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:01,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261599709] [2024-11-10 19:01:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:01,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:01,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261599709] [2024-11-10 19:01:01,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261599709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:01,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011552792] [2024-11-10 19:01:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:01,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:01,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:01,667 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:01,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:01:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:01,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:01,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:01,799 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:01,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011552792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:01,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:01,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 19:01:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762134941] [2024-11-10 19:01:01,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:01,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:01:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:01:01,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:01:01,932 INFO L87 Difference]: Start difference. First operand 1812 states and 2225 transitions. Second operand has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:01:02,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:02,201 INFO L93 Difference]: Finished difference Result 2402 states and 2933 transitions. [2024-11-10 19:01:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:01:02,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 99 [2024-11-10 19:01:02,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:02,208 INFO L225 Difference]: With dead ends: 2402 [2024-11-10 19:01:02,209 INFO L226 Difference]: Without dead ends: 2401 [2024-11-10 19:01:02,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:01:02,211 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 312 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:02,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 741 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-11-10 19:01:02,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2178. [2024-11-10 19:01:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2102 states have (on average 1.2364414843006661) internal successors, (2599), 2126 states have internal predecessors, (2599), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 19:01:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2697 transitions. [2024-11-10 19:01:02,356 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2697 transitions. Word has length 99 [2024-11-10 19:01:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:02,357 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2697 transitions. [2024-11-10 19:01:02,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:01:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2697 transitions. [2024-11-10 19:01:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:01:02,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:02,358 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:01:02,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-10 19:01:02,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:01:02,562 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:02,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:02,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1059120793, now seen corresponding path program 1 times [2024-11-10 19:01:02,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:02,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616254436] [2024-11-10 19:01:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:02,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:02,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616254436] [2024-11-10 19:01:02,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616254436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:02,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438314729] [2024-11-10 19:01:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:02,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:02,655 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:02,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:01:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:02,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:01:02,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:02,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:02,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438314729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:02,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:02,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-10 19:01:02,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654354267] [2024-11-10 19:01:02,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:02,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:01:02,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:02,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:01:02,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:02,916 INFO L87 Difference]: Start difference. First operand 2178 states and 2697 transitions. Second operand has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:01:03,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:03,237 INFO L93 Difference]: Finished difference Result 2190 states and 2709 transitions. [2024-11-10 19:01:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:01:03,237 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 102 [2024-11-10 19:01:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:03,243 INFO L225 Difference]: With dead ends: 2190 [2024-11-10 19:01:03,243 INFO L226 Difference]: Without dead ends: 2189 [2024-11-10 19:01:03,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 204 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:01:03,244 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 177 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:03,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 451 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:03,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2024-11-10 19:01:03,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2178. [2024-11-10 19:01:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2102 states have (on average 1.235965746907707) internal successors, (2598), 2126 states have internal predecessors, (2598), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 19:01:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2696 transitions. [2024-11-10 19:01:03,382 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2696 transitions. Word has length 102 [2024-11-10 19:01:03,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:03,383 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2696 transitions. [2024-11-10 19:01:03,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:01:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2696 transitions. [2024-11-10 19:01:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:01:03,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:03,384 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:03,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:03,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:01:03,588 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:03,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:03,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1396255139, now seen corresponding path program 1 times [2024-11-10 19:01:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:03,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613807883] [2024-11-10 19:01:03,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:03,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981312813] [2024-11-10 19:01:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:03,601 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:03,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:01:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:03,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:01:03,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:01:03,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:01:06,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613807883] [2024-11-10 19:01:06,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981312813] [2024-11-10 19:01:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981312813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:06,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:06,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-10 19:01:06,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241134551] [2024-11-10 19:01:06,222 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:06,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:06,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:06,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:06,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:06,224 INFO L87 Difference]: Start difference. First operand 2178 states and 2696 transitions. Second operand has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:12,960 INFO L93 Difference]: Finished difference Result 2317 states and 2850 transitions. [2024-11-10 19:01:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-10 19:01:12,961 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 104 [2024-11-10 19:01:12,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:12,971 INFO L225 Difference]: With dead ends: 2317 [2024-11-10 19:01:12,971 INFO L226 Difference]: Without dead ends: 2315 [2024-11-10 19:01:12,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=572, Invalid=2398, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 19:01:12,973 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1196 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:12,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 635 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-10 19:01:12,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-11-10 19:01:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2242. [2024-11-10 19:01:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2164 states have (on average 1.2301293900184842) internal successors, (2662), 2188 states have internal predecessors, (2662), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2764 transitions. [2024-11-10 19:01:13,098 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2764 transitions. Word has length 104 [2024-11-10 19:01:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:13,099 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2764 transitions. [2024-11-10 19:01:13,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2764 transitions. [2024-11-10 19:01:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:01:13,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:13,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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 19:01:13,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:13,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-10 19:01:13,306 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:13,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1352021831, now seen corresponding path program 1 times [2024-11-10 19:01:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:13,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598693340] [2024-11-10 19:01:13,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:01:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:13,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:13,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598693340] [2024-11-10 19:01:13,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598693340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:13,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771086403] [2024-11-10 19:01:13,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:13,501 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:13,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:01:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:01:13,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:14,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:14,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771086403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:14,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:14,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 19:01:14,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860598920] [2024-11-10 19:01:14,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:14,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:14,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:14,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:14,248 INFO L87 Difference]: Start difference. First operand 2242 states and 2764 transitions. Second operand has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:15,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:15,260 INFO L93 Difference]: Finished difference Result 2279 states and 2802 transitions. [2024-11-10 19:01:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:01:15,261 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 107 [2024-11-10 19:01:15,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:15,266 INFO L225 Difference]: With dead ends: 2279 [2024-11-10 19:01:15,266 INFO L226 Difference]: Without dead ends: 2278 [2024-11-10 19:01:15,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-11-10 19:01:15,267 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 262 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:15,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 731 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:15,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-10 19:01:15,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2262. [2024-11-10 19:01:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2184 states have (on average 1.2284798534798536) internal successors, (2683), 2208 states have internal predecessors, (2683), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2785 transitions. [2024-11-10 19:01:15,355 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2785 transitions. Word has length 107 [2024-11-10 19:01:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:15,356 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 2785 transitions. [2024-11-10 19:01:15,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2785 transitions. [2024-11-10 19:01:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:01:15,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:15,357 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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 19:01:15,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:15,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-10 19:01:15,558 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:15,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:15,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1036996173, now seen corresponding path program 1 times [2024-11-10 19:01:15,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:15,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096798571] [2024-11-10 19:01:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:01:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 19:01:15,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:15,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096798571] [2024-11-10 19:01:15,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096798571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:15,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:15,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:15,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398751880] [2024-11-10 19:01:15,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:15,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:15,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:15,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:15,628 INFO L87 Difference]: Start difference. First operand 2262 states and 2785 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:01:15,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:15,958 INFO L93 Difference]: Finished difference Result 2278 states and 2793 transitions. [2024-11-10 19:01:15,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:15,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 108 [2024-11-10 19:01:15,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:15,963 INFO L225 Difference]: With dead ends: 2278 [2024-11-10 19:01:15,963 INFO L226 Difference]: Without dead ends: 2253 [2024-11-10 19:01:15,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 19:01:15,965 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 24 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:15,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 236 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:15,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-10 19:01:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2245. [2024-11-10 19:01:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2167 states have (on average 1.2293493308721735) internal successors, (2664), 2191 states have internal predecessors, (2664), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2766 transitions. [2024-11-10 19:01:16,065 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2766 transitions. Word has length 108 [2024-11-10 19:01:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:16,066 INFO L471 AbstractCegarLoop]: Abstraction has 2245 states and 2766 transitions. [2024-11-10 19:01:16,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:01:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2766 transitions. [2024-11-10 19:01:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:01:16,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:16,066 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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 19:01:16,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-10 19:01:16,067 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:16,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash -750565997, now seen corresponding path program 1 times [2024-11-10 19:01:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:16,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683313192] [2024-11-10 19:01:16,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:16,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:16,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347183499] [2024-11-10 19:01:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:16,081 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:16,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:01:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:16,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:01:16,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:16,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:17,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:17,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683313192] [2024-11-10 19:01:17,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:17,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347183499] [2024-11-10 19:01:17,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347183499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:17,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:17,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-10 19:01:17,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291241314] [2024-11-10 19:01:17,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:17,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:01:17,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:17,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:01:17,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:01:17,631 INFO L87 Difference]: Start difference. First operand 2245 states and 2766 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:19,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:19,821 INFO L93 Difference]: Finished difference Result 2267 states and 2794 transitions. [2024-11-10 19:01:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 19:01:19,822 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 108 [2024-11-10 19:01:19,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:19,825 INFO L225 Difference]: With dead ends: 2267 [2024-11-10 19:01:19,825 INFO L226 Difference]: Without dead ends: 2266 [2024-11-10 19:01:19,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:01:19,826 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 225 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:19,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 357 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:01:19,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2024-11-10 19:01:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2245. [2024-11-10 19:01:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2167 states have (on average 1.22888786340563) internal successors, (2663), 2191 states have internal predecessors, (2663), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2765 transitions. [2024-11-10 19:01:19,924 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2765 transitions. Word has length 108 [2024-11-10 19:01:19,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:19,924 INFO L471 AbstractCegarLoop]: Abstraction has 2245 states and 2765 transitions. [2024-11-10 19:01:19,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2765 transitions. [2024-11-10 19:01:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:01:19,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:19,925 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:19,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:20,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:20,126 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:20,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:20,126 INFO L85 PathProgramCache]: Analyzing trace with hash -641050615, now seen corresponding path program 2 times [2024-11-10 19:01:20,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:20,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140756760] [2024-11-10 19:01:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:20,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008535021] [2024-11-10 19:01:20,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:01:20,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:20,139 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:20,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:01:20,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:01:20,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:01:20,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:01:20,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:21,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:21,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:21,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140756760] [2024-11-10 19:01:21,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:21,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008535021] [2024-11-10 19:01:21,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008535021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:21,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:21,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-10 19:01:21,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124151509] [2024-11-10 19:01:21,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:21,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:21,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:21,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:21,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:21,697 INFO L87 Difference]: Start difference. First operand 2245 states and 2765 transitions. Second operand has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:23,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:23,791 INFO L93 Difference]: Finished difference Result 2251 states and 2765 transitions. [2024-11-10 19:01:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 19:01:23,791 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) Word has length 109 [2024-11-10 19:01:23,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:23,794 INFO L225 Difference]: With dead ends: 2251 [2024-11-10 19:01:23,794 INFO L226 Difference]: Without dead ends: 2236 [2024-11-10 19:01:23,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=1389, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:01:23,795 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 769 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:23,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 551 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:01:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2024-11-10 19:01:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2232. [2024-11-10 19:01:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2232 states, 2154 states have (on average 1.2279480037140205) internal successors, (2645), 2178 states have internal predecessors, (2645), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2747 transitions. [2024-11-10 19:01:23,900 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2747 transitions. Word has length 109 [2024-11-10 19:01:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:23,901 INFO L471 AbstractCegarLoop]: Abstraction has 2232 states and 2747 transitions. [2024-11-10 19:01:23,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2747 transitions. [2024-11-10 19:01:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:01:23,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:23,902 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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 19:01:23,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:24,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-10 19:01:24,103 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1792709445, now seen corresponding path program 1 times [2024-11-10 19:01:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318177993] [2024-11-10 19:01:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:24,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:24,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318177993] [2024-11-10 19:01:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318177993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807516016] [2024-11-10 19:01:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:24,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:24,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:24,274 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:24,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:01:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:01:24,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:24,646 INFO L311 TraceCheckSpWp]: Computing backward predicates...