./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.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/geo3-ll2_unwindbound1.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 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:18:07,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:18:07,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:18:07,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:18:07,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:18:07,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:18:07,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:18:07,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:18:07,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:18:07,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:18:07,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:18:07,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:18:07,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:18:07,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:18:07,289 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:18:07,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:18:07,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:18:07,290 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:18:07,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:18:07,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:18:07,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:18:07,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:18:07,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:18:07,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:18:07,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:18:07,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:18:07,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:18:07,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:18:07,295 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:18:07,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:18:07,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:18:07,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:18:07,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:18:07,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:18:07,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:18:07,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:18:07,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:18:07,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:18:07,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:18:07,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2024-11-10 19:18:07,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:18:07,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:18:07,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:18:07,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:18:07,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:18:07,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c [2024-11-10 19:18:08,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:18:08,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:18:08,840 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c [2024-11-10 19:18:08,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7803cebe/a2b7365ed837457eb3ac49d403c59d4c/FLAGbd1b615ef [2024-11-10 19:18:09,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7803cebe/a2b7365ed837457eb3ac49d403c59d4c [2024-11-10 19:18:09,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:18:09,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:18:09,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:18:09,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:18:09,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:18:09,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f89cef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09, skipping insertion in model container [2024-11-10 19:18:09,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:18:09,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:18:09,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:18:09,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:18:09,487 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:18:09,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09 WrapperNode [2024-11-10 19:18:09,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:18:09,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:18:09,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:18:09,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:18:09,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,525 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-11-10 19:18:09,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:18:09,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:18:09,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:18:09,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:18:09,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,550 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 19:18:09,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:18:09,556 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:18:09,556 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:18:09,556 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:18:09,557 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (1/1) ... [2024-11-10 19:18:09,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:18:09,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:09,592 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 19:18:09,594 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 19:18:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:18:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:18:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:18:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:18:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:18:09,681 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:18:09,683 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:18:09,961 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-10 19:18:09,962 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:18:09,978 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:18:09,978 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:18:09,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:18:09 BoogieIcfgContainer [2024-11-10 19:18:09,979 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:18:09,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:18:09,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:18:09,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:18:09,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:18:09" (1/3) ... [2024-11-10 19:18:09,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767f0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:18:09, skipping insertion in model container [2024-11-10 19:18:09,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:18:09" (2/3) ... [2024-11-10 19:18:09,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767f0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:18:09, skipping insertion in model container [2024-11-10 19:18:09,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:18:09" (3/3) ... [2024-11-10 19:18:09,985 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2_unwindbound1.c [2024-11-10 19:18:09,997 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:18:09,997 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-10 19:18:10,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:18:10,049 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;@7289e2e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:18:10,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-10 19:18:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 50 states have (on average 1.72) internal successors, (86), 82 states have internal predecessors, (86), 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 19:18:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-10 19:18:10,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:10,068 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-10 19:18:10,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:10,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:10,073 INFO L85 PathProgramCache]: Analyzing trace with hash 110191, now seen corresponding path program 1 times [2024-11-10 19:18:10,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:10,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120225762] [2024-11-10 19:18:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:10,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:10,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007943537] [2024-11-10 19:18:10,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:10,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:10,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:10,146 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 19:18:10,148 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 19:18:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:10,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:18:10,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:10,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120225762] [2024-11-10 19:18:10,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:10,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007943537] [2024-11-10 19:18:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007943537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:10,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:10,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:10,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106985577] [2024-11-10 19:18:10,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:10,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:18:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:18:10,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:10,260 INFO L87 Difference]: Start difference. First operand has 86 states, 50 states have (on average 1.72) internal successors, (86), 82 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:10,393 INFO L93 Difference]: Finished difference Result 164 states and 174 transitions. [2024-11-10 19:18:10,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:18:10,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-10 19:18:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:10,399 INFO L225 Difference]: With dead ends: 164 [2024-11-10 19:18:10,399 INFO L226 Difference]: Without dead ends: 77 [2024-11-10 19:18:10,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:10,403 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 51 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:10,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 44 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:18:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-10 19:18:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-10 19:18:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 74 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2024-11-10 19:18:10,429 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 3 [2024-11-10 19:18:10,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:10,429 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2024-11-10 19:18:10,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2024-11-10 19:18:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:18:10,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:10,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:10,442 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 19:18:10,633 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,SelfDestructingSolverStorable0 [2024-11-10 19:18:10,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:10,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:10,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1314097588, now seen corresponding path program 1 times [2024-11-10 19:18:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269760072] [2024-11-10 19:18:10,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:10,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:10,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269760072] [2024-11-10 19:18:10,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269760072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:10,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:10,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:10,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356420171] [2024-11-10 19:18:10,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:10,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:18:10,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:10,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:18:10,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:18:10,720 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:10,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:10,759 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2024-11-10 19:18:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:18:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 19:18:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:10,760 INFO L225 Difference]: With dead ends: 104 [2024-11-10 19:18:10,760 INFO L226 Difference]: Without dead ends: 82 [2024-11-10 19:18:10,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:18:10,761 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 6 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:10,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 212 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:18:10,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-10 19:18:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-10 19:18:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.62) internal successors, (81), 79 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2024-11-10 19:18:10,772 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 7 [2024-11-10 19:18:10,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:10,772 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2024-11-10 19:18:10,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2024-11-10 19:18:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 19:18:10,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:10,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:10,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:18:10,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:10,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:10,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2126691848, now seen corresponding path program 1 times [2024-11-10 19:18:10,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:10,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842727132] [2024-11-10 19:18:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:10,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773533975] [2024-11-10 19:18:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:10,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:10,788 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 19:18:10,789 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 19:18:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:10,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:10,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:10,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:10,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:10,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842727132] [2024-11-10 19:18:10,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:10,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773533975] [2024-11-10 19:18:10,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773533975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:10,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:10,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:18:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993725586] [2024-11-10 19:18:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:10,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:18:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:18:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:18:10,861 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:11,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:11,310 INFO L93 Difference]: Finished difference Result 123 states and 142 transitions. [2024-11-10 19:18:11,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:18:11,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 19:18:11,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:11,312 INFO L225 Difference]: With dead ends: 123 [2024-11-10 19:18:11,312 INFO L226 Difference]: Without dead ends: 118 [2024-11-10 19:18:11,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:18:11,313 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 108 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:11,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 83 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:18:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-10 19:18:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2024-11-10 19:18:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.626865671641791) internal successors, (109), 95 states have internal predecessors, (109), 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 19:18:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2024-11-10 19:18:11,329 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 11 [2024-11-10 19:18:11,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:11,329 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2024-11-10 19:18:11,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2024-11-10 19:18:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 19:18:11,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:11,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:11,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:18:11,534 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,SelfDestructingSolverStorable2 [2024-11-10 19:18:11,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:11,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1502937880, now seen corresponding path program 1 times [2024-11-10 19:18:11,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:11,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215801328] [2024-11-10 19:18:11,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:11,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:11,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512455095] [2024-11-10 19:18:11,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:11,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:11,549 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 19:18:11,549 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 19:18:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:11,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:11,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:11,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:11,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:11,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215801328] [2024-11-10 19:18:11,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:11,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512455095] [2024-11-10 19:18:11,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512455095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:11,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:11,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:18:11,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266422822] [2024-11-10 19:18:11,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:11,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:18:11,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:18:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:18:11,798 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:12,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:12,417 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2024-11-10 19:18:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:18:12,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-10 19:18:12,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:12,418 INFO L225 Difference]: With dead ends: 123 [2024-11-10 19:18:12,418 INFO L226 Difference]: Without dead ends: 118 [2024-11-10 19:18:12,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 19:18:12,419 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 106 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:12,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 85 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:18:12,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-10 19:18:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2024-11-10 19:18:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.5507246376811594) internal successors, (107), 96 states have internal predecessors, (107), 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 19:18:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 111 transitions. [2024-11-10 19:18:12,424 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 111 transitions. Word has length 12 [2024-11-10 19:18:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:12,425 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 111 transitions. [2024-11-10 19:18:12,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2024-11-10 19:18:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 19:18:12,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:12,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:12,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:18:12,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:12,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:12,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:12,627 INFO L85 PathProgramCache]: Analyzing trace with hash -653565946, now seen corresponding path program 1 times [2024-11-10 19:18:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:12,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251435248] [2024-11-10 19:18:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:12,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [203482681] [2024-11-10 19:18:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:12,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:12,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:12,636 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 19:18:12,637 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 19:18:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:12,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:18:12,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:12,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:12,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:12,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251435248] [2024-11-10 19:18:12,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:12,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203482681] [2024-11-10 19:18:12,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203482681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:12,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:12,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:12,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843794235] [2024-11-10 19:18:12,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:12,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:18:12,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:12,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:18:12,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:12,789 INFO L87 Difference]: Start difference. First operand 100 states and 111 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:12,895 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2024-11-10 19:18:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:18:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-10 19:18:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:12,897 INFO L225 Difference]: With dead ends: 122 [2024-11-10 19:18:12,897 INFO L226 Difference]: Without dead ends: 118 [2024-11-10 19:18:12,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:12,898 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:12,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 76 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:18:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-10 19:18:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2024-11-10 19:18:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 96 states have internal predecessors, (103), 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 19:18:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 107 transitions. [2024-11-10 19:18:12,904 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 107 transitions. Word has length 13 [2024-11-10 19:18:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:12,904 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 107 transitions. [2024-11-10 19:18:12,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2024-11-10 19:18:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:18:12,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:12,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:12,924 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 19:18:13,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:13,106 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:13,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1531114494, now seen corresponding path program 1 times [2024-11-10 19:18:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872249112] [2024-11-10 19:18:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49533343] [2024-11-10 19:18:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:13,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:13,118 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 19:18:13,119 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 19:18:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:13,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:18:13,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:13,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:13,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:13,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872249112] [2024-11-10 19:18:13,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:13,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49533343] [2024-11-10 19:18:13,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49533343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:13,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:13,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:18:13,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223921345] [2024-11-10 19:18:13,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:13,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:18:13,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:13,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:18:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:18:13,348 INFO L87 Difference]: Start difference. First operand 100 states and 107 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:13,680 INFO L93 Difference]: Finished difference Result 121 states and 131 transitions. [2024-11-10 19:18:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:18:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-10 19:18:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:13,681 INFO L225 Difference]: With dead ends: 121 [2024-11-10 19:18:13,681 INFO L226 Difference]: Without dead ends: 119 [2024-11-10 19:18:13,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:18:13,682 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 68 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:13,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 161 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:18:13,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-10 19:18:13,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 101. [2024-11-10 19:18:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 97 states have internal predecessors, (103), 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 19:18:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 107 transitions. [2024-11-10 19:18:13,688 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 107 transitions. Word has length 17 [2024-11-10 19:18:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:13,688 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 107 transitions. [2024-11-10 19:18:13,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2024-11-10 19:18:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 19:18:13,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:13,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:13,705 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 19:18:13,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:13,894 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:13,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -219909038, now seen corresponding path program 1 times [2024-11-10 19:18:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829611938] [2024-11-10 19:18:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:13,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15980756] [2024-11-10 19:18:13,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:13,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:13,913 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 19:18:13,914 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 19:18:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:13,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:18:13,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:14,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:14,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829611938] [2024-11-10 19:18:14,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15980756] [2024-11-10 19:18:14,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15980756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:14,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:14,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:18:14,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297415283] [2024-11-10 19:18:14,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:14,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:18:14,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:14,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:18:14,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:18:14,436 INFO L87 Difference]: Start difference. First operand 101 states and 107 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:15,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:18:16,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:18:17,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:17,463 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2024-11-10 19:18:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:18:17,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-10 19:18:17,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:17,466 INFO L225 Difference]: With dead ends: 121 [2024-11-10 19:18:17,466 INFO L226 Difference]: Without dead ends: 119 [2024-11-10 19:18:17,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:18:17,466 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 70 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:17,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 111 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 2.9s Time] [2024-11-10 19:18:17,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-10 19:18:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 102. [2024-11-10 19:18:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 98 states have internal predecessors, (103), 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 19:18:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2024-11-10 19:18:17,478 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 18 [2024-11-10 19:18:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:17,478 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2024-11-10 19:18:17,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2024-11-10 19:18:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:18:17,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:17,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:17,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:18:17,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:17,682 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:17,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:17,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1772754432, now seen corresponding path program 1 times [2024-11-10 19:18:17,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095037378] [2024-11-10 19:18:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:17,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269611208] [2024-11-10 19:18:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:17,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:17,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:17,692 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 19:18:17,694 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 19:18:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:17,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:18:17,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:17,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:17,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:17,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095037378] [2024-11-10 19:18:17,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:17,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269611208] [2024-11-10 19:18:17,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269611208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:17,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:17,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:18:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495008155] [2024-11-10 19:18:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:17,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:18:17,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:18:17,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:18:17,823 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:18,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:18,060 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2024-11-10 19:18:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:18:18,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-10 19:18:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:18,061 INFO L225 Difference]: With dead ends: 118 [2024-11-10 19:18:18,061 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 19:18:18,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 19:18:18,061 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 22 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:18,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 89 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:18:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 19:18:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2024-11-10 19:18:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 90 states have internal predecessors, (92), 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 19:18:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-10 19:18:18,071 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 19 [2024-11-10 19:18:18,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:18,071 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-10 19:18:18,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:18:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-10 19:18:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:18:18,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:18,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:18,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:18:18,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:18,272 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:18,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:18,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2123868685, now seen corresponding path program 1 times [2024-11-10 19:18:18,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:18,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764398249] [2024-11-10 19:18:18,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:18,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:18:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:18,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:18,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764398249] [2024-11-10 19:18:18,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764398249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:18,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:18,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:18,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707000652] [2024-11-10 19:18:18,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:18,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:18:18,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:18,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:18:18,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:18,363 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:18,383 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2024-11-10 19:18:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:18:18,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-10 19:18:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:18,384 INFO L225 Difference]: With dead ends: 99 [2024-11-10 19:18:18,384 INFO L226 Difference]: Without dead ends: 97 [2024-11-10 19:18:18,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:18,385 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:18,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 137 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:18:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-10 19:18:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-11-10 19:18:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 92 states have internal predecessors, (94), 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 19:18:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2024-11-10 19:18:18,395 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 27 [2024-11-10 19:18:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:18,399 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2024-11-10 19:18:18,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2024-11-10 19:18:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:18:18,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:18,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:18,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:18:18,400 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:18,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash 911483800, now seen corresponding path program 1 times [2024-11-10 19:18:18,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:18,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030448155] [2024-11-10 19:18:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:18,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3063655] [2024-11-10 19:18:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:18,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:18,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:18,419 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 19:18:18,421 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 19:18:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:18,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:18:18,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:18,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:18,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:18,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030448155] [2024-11-10 19:18:18,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:18,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3063655] [2024-11-10 19:18:18,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3063655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:18,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:18,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:18:18,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294569476] [2024-11-10 19:18:18,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:18,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:18:18,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:18,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:18:18,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:18:18,808 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:19,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:19,288 INFO L93 Difference]: Finished difference Result 103 states and 106 transitions. [2024-11-10 19:18:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:18:19,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-10 19:18:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:19,289 INFO L225 Difference]: With dead ends: 103 [2024-11-10 19:18:19,289 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 19:18:19,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:18:19,290 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 36 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:19,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 206 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:18:19,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 19:18:19,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2024-11-10 19:18:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 96 states have internal predecessors, (98), 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 19:18:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2024-11-10 19:18:19,294 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 32 [2024-11-10 19:18:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:19,295 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2024-11-10 19:18:19,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2024-11-10 19:18:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:18:19,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:19,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:19,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:18:19,499 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,SelfDestructingSolverStorable9 [2024-11-10 19:18:19,501 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:19,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:19,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1808773272, now seen corresponding path program 1 times [2024-11-10 19:18:19,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965400809] [2024-11-10 19:18:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:19,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255149216] [2024-11-10 19:18:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:19,511 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 19:18:19,514 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 19:18:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:19,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:18:19,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:19,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:19,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965400809] [2024-11-10 19:18:19,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255149216] [2024-11-10 19:18:19,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255149216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:19,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:19,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:18:19,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24975363] [2024-11-10 19:18:19,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:19,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:18:19,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:19,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:18:19,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:18:19,877 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:20,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:20,214 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2024-11-10 19:18:20,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:18:20,214 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-10 19:18:20,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:20,215 INFO L225 Difference]: With dead ends: 103 [2024-11-10 19:18:20,215 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 19:18:20,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:18:20,215 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 27 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:20,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 228 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:18:20,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 19:18:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-11-10 19:18:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 97 states have internal predecessors, (99), 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 19:18:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2024-11-10 19:18:20,219 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 33 [2024-11-10 19:18:20,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:20,220 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2024-11-10 19:18:20,220 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2024-11-10 19:18:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:18:20,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:20,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:20,235 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 19:18:20,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:20,421 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:20,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:20,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1230640454, now seen corresponding path program 1 times [2024-11-10 19:18:20,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:20,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241844531] [2024-11-10 19:18:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:20,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:20,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439096068] [2024-11-10 19:18:20,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:20,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:20,443 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 19:18:20,444 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 19:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:20,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:20,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:20,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:20,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:20,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241844531] [2024-11-10 19:18:20,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:20,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439096068] [2024-11-10 19:18:20,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439096068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:20,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:20,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:20,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340563791] [2024-11-10 19:18:20,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:20,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:18:20,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:20,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:18:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:20,564 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:20,688 INFO L93 Difference]: Finished difference Result 106 states and 109 transitions. [2024-11-10 19:18:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:18:20,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-10 19:18:20,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:20,689 INFO L225 Difference]: With dead ends: 106 [2024-11-10 19:18:20,689 INFO L226 Difference]: Without dead ends: 105 [2024-11-10 19:18:20,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 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 19:18:20,690 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:20,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:18:20,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-10 19:18:20,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2024-11-10 19:18:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 99 states have internal predecessors, (101), 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 19:18:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2024-11-10 19:18:20,694 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 35 [2024-11-10 19:18:20,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:20,694 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-11-10 19:18:20,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2024-11-10 19:18:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:18:20,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:20,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:20,707 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 19:18:20,895 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,SelfDestructingSolverStorable11 [2024-11-10 19:18:20,895 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:20,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash -504851595, now seen corresponding path program 1 times [2024-11-10 19:18:20,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:20,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446150621] [2024-11-10 19:18:20,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:20,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824197503] [2024-11-10 19:18:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:20,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:20,906 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 19:18:20,907 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 19:18:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:20,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:20,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:21,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:21,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:21,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446150621] [2024-11-10 19:18:21,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:18:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824197503] [2024-11-10 19:18:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824197503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:21,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:18:21,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:18:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137129996] [2024-11-10 19:18:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:21,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:18:21,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:21,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:18:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:18:21,008 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:21,181 INFO L93 Difference]: Finished difference Result 106 states and 108 transitions. [2024-11-10 19:18:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:18:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-10 19:18:21,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:21,182 INFO L225 Difference]: With dead ends: 106 [2024-11-10 19:18:21,182 INFO L226 Difference]: Without dead ends: 105 [2024-11-10 19:18:21,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 19:18:21,183 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:21,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 76 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:18:21,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-10 19:18:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2024-11-10 19:18:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 100 states have internal predecessors, (102), 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 19:18:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2024-11-10 19:18:21,188 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 36 [2024-11-10 19:18:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:21,188 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2024-11-10 19:18:21,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2024-11-10 19:18:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 19:18:21,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:21,189 INFO L215 NwaCegarLoop]: trace histogram [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 19:18:21,203 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 19:18:21,389 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,SelfDestructingSolverStorable12 [2024-11-10 19:18:21,389 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:21,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:21,390 INFO L85 PathProgramCache]: Analyzing trace with hash 941599555, now seen corresponding path program 1 times [2024-11-10 19:18:21,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:21,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529681538] [2024-11-10 19:18:21,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:21,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:18:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:21,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:21,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529681538] [2024-11-10 19:18:21,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529681538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:18:21,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361387146] [2024-11-10 19:18:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:21,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:21,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:21,497 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 19:18:21,498 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 19:18:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:21,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:21,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:21,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361387146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:21,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:18:21,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:18:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683023926] [2024-11-10 19:18:21,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:21,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:18:21,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:21,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:18:21,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:18:21,580 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:21,599 INFO L93 Difference]: Finished difference Result 104 states and 106 transitions. [2024-11-10 19:18:21,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:18:21,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-10 19:18:21,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:21,599 INFO L225 Difference]: With dead ends: 104 [2024-11-10 19:18:21,599 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 19:18:21,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:18:21,600 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 48 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:21,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 202 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:18:21,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 19:18:21,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 19:18:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 99 states have internal predecessors, (101), 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 19:18:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2024-11-10 19:18:21,604 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 39 [2024-11-10 19:18:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:21,604 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-11-10 19:18:21,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2024-11-10 19:18:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:18:21,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:21,605 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:21,620 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 19:18:21,808 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,SelfDestructingSolverStorable13 [2024-11-10 19:18:21,809 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:21,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:21,809 INFO L85 PathProgramCache]: Analyzing trace with hash -875184828, now seen corresponding path program 1 times [2024-11-10 19:18:21,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:21,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793643423] [2024-11-10 19:18:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:18:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:21,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:18:21,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793643423] [2024-11-10 19:18:21,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793643423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:18:21,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461455826] [2024-11-10 19:18:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:21,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:21,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:21,882 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 19:18:21,883 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 19:18:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:18:21,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:18:21,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:18:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:18:21,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:18:21,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461455826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:18:21,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:18:21,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-10 19:18:21,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498503626] [2024-11-10 19:18:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:18:21,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:18:21,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:18:21,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:18:21,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:18:21,948 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:18:21,975 INFO L93 Difference]: Finished difference Result 119 states and 120 transitions. [2024-11-10 19:18:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:18:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-10 19:18:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:18:21,976 INFO L225 Difference]: With dead ends: 119 [2024-11-10 19:18:21,976 INFO L226 Difference]: Without dead ends: 118 [2024-11-10 19:18:21,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:18:21,977 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 45 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:18:21,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 269 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:18:21,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-10 19:18:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-11-10 19:18:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 73 states have (on average 1.36986301369863) internal successors, (100), 98 states have internal predecessors, (100), 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 19:18:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2024-11-10 19:18:21,993 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 40 [2024-11-10 19:18:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:18:21,993 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2024-11-10 19:18:21,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:18:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2024-11-10 19:18:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:18:21,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:18:21,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:22,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:18:22,194 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,SelfDestructingSolverStorable14 [2024-11-10 19:18:22,194 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-10 19:18:22,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:18:22,194 INFO L85 PathProgramCache]: Analyzing trace with hash 2115280694, now seen corresponding path program 1 times [2024-11-10 19:18:22,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:18:22,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60078629] [2024-11-10 19:18:22,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:22,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:18:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:18:22,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876369547] [2024-11-10 19:18:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:18:22,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:18:22,202 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 19:18:22,203 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 19:18:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 19:18:22,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 19:18:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 19:18:22,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 19:18:22,297 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 19:18:22,297 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2024-11-10 19:18:22,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2024-11-10 19:18:22,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2024-11-10 19:18:22,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2024-11-10 19:18:22,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2024-11-10 19:18:22,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2024-11-10 19:18:22,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2024-11-10 19:18:22,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2024-11-10 19:18:22,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2024-11-10 19:18:22,307 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 19:18:22,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:18:22,505 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:18:22,531 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:18:22,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:18:22 BoogieIcfgContainer [2024-11-10 19:18:22,533 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:18:22,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:18:22,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:18:22,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:18:22,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:18:09" (3/4) ... [2024-11-10 19:18:22,534 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 19:18:22,564 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:18:22,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:18:22,566 INFO L158 Benchmark]: Toolchain (without parser) took 13289.46ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 106.3MB in the beginning and 162.8MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:18:22,566 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 161.5MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:18:22,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.95ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 93.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 19:18:22,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:18:22,567 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:18:22,567 INFO L158 Benchmark]: IcfgBuilder took 422.56ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 73.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 19:18:22,567 INFO L158 Benchmark]: TraceAbstraction took 12553.11ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 73.3MB in the beginning and 165.9MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:18:22,567 INFO L158 Benchmark]: Witness Printer took 31.92ms. Allocated memory is still 211.8MB. Free memory was 165.9MB in the beginning and 162.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:18:22,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 161.5MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.95ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 93.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 422.56ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 73.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12553.11ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 73.3MB in the beginning and 165.9MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.92ms. Allocated memory is still 211.8MB. Free memory was 165.9MB in the beginning and 162.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 44]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int counter = 0; VAL [counter=0] [L23] int z, a, k; [L24] long long x, y, c, az; [L25] z = __VERIFIER_nondet_int() [L26] a = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = a [L30] y = 1 [L31] c = 1 VAL [a=-3, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L32] EXPR (long long) a * z VAL [a=-3, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L32] az = (long long) a * z VAL [a=-3, az=5260239171, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L34] COND TRUE counter++<1 [L35] EXPR z*x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a - az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] CALL __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L37] COND FALSE !(!(c < k)) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L40] EXPR c + 1 VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L40] c = c + 1 VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z + a VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] x = x * z + a VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=1, z=-1753413057] [L42] EXPR y * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=1, z=-1753413057] [L42] y = y * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=2, counter=2, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] COND FALSE !(counter++<1) [L44] z*x VAL [a=-3, az=5260239171, c=2, counter=2, k=2, y=-1753413057] - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 630 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 624 mSDsluCounter, 2054 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1256 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1319 IncrementalHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 798 mSDtfsCounter, 1319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=13, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 123 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 736 NumberOfCodeBlocks, 736 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 404 ConstructedInterpolants, 25 QuantifiedInterpolants, 3553 SizeOfPredicates, 14 NumberOfNonLiveVariables, 811 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 5/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-10 19:18:22,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)