./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/geo3-ll2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/geo3-ll2.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 a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:25:20,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:25:20,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:25:20,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:25:20,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:25:20,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:25:20,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:25:20,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:25:20,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:25:20,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:25:20,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:25:20,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:25:20,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:25:20,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:25:20,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:25:20,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:25:20,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:25:20,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:25:20,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:25:20,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:25:20,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:25:20,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:25:20,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:25:20,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:25:20,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:25:20,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:25:20,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:25:20,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:25:20,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:25:20,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:25:20,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:25:20,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:25:20,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:25:20,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:25:20,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:25:20,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:25:20,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:25:20,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:25:20,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:25:20,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:25:20,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:25:20,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:25:20,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:25:20,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:25:20,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422 [2024-11-22 22:25:20,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:25:20,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:25:20,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:25:20,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:25:20,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:25:20,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/geo3-ll2.c [2024-11-22 22:25:22,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:25:22,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:25:22,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/geo3-ll2.c [2024-11-22 22:25:22,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e666086/fa60c9d8f2f04a3095f6cb3b723bd4c9/FLAGcf6a6cba6 [2024-11-22 22:25:22,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e666086/fa60c9d8f2f04a3095f6cb3b723bd4c9 [2024-11-22 22:25:22,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:25:22,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:25:22,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:25:22,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:25:22,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:25:22,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b4f90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22, skipping insertion in model container [2024-11-22 22:25:22,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:25:22,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:25:22,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:25:22,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:25:22,637 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:25:22,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22 WrapperNode [2024-11-22 22:25:22,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:25:22,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:25:22,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:25:22,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:25:22,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,669 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2024-11-22 22:25:22,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:25:22,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:25:22,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:25:22,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:25:22,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,695 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]. [2024-11-22 22:25:22,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:25:22,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:25:22,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:25:22,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:25:22,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (1/1) ... [2024-11-22 22:25:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:25:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:22,745 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) [2024-11-22 22:25:22,753 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 [2024-11-22 22:25:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:25:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:25:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:25:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:25:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:25:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:25:22,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:25:22,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:25:23,251 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-22 22:25:23,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:25:23,265 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:25:23,266 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:25:23,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:23 BoogieIcfgContainer [2024-11-22 22:25:23,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:25:23,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:25:23,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:25:23,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:25:23,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:25:22" (1/3) ... [2024-11-22 22:25:23,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eeb271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:25:23, skipping insertion in model container [2024-11-22 22:25:23,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:22" (2/3) ... [2024-11-22 22:25:23,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eeb271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:25:23, skipping insertion in model container [2024-11-22 22:25:23,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:23" (3/3) ... [2024-11-22 22:25:23,276 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2.c [2024-11-22 22:25:23,292 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:25:23,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-22 22:25:23,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:25:23,375 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;@66cf60b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:25:23,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-22 22:25:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 42 states have (on average 1.8095238095238095) internal successors, (76), 72 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:25:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-22 22:25:23,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:23,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-22 22:25:23,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:23,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:23,390 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-22 22:25:23,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:23,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525161902] [2024-11-22 22:25:23,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498787813] [2024-11-22 22:25:23,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:23,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:23,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:23,489 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) [2024-11-22 22:25:23,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:25:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:23,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:23,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:23,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:23,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525161902] [2024-11-22 22:25:23,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498787813] [2024-11-22 22:25:23,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498787813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:23,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:23,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:25:23,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325964319] [2024-11-22 22:25:23,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:23,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:25:23,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:25:23,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:23,638 INFO L87 Difference]: Start difference. First operand has 76 states, 42 states have (on average 1.8095238095238095) internal successors, (76), 72 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2024-11-22 22:25:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:23,832 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2024-11-22 22:25:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:25:23,834 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 [2024-11-22 22:25:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:23,840 INFO L225 Difference]: With dead ends: 145 [2024-11-22 22:25:23,840 INFO L226 Difference]: Without dead ends: 67 [2024-11-22 22:25:23,843 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 [2024-11-22 22:25:23,847 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 40 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:23,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 36 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:25:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-22 22:25:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-22 22:25:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 64 states have internal predecessors, (65), 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) [2024-11-22 22:25:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2024-11-22 22:25:23,900 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 3 [2024-11-22 22:25:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:23,901 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2024-11-22 22:25:23,901 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) [2024-11-22 22:25:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2024-11-22 22:25:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:25:23,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:23,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:25:23,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:25:24,106 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 [2024-11-22 22:25:24,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:24,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash 889476134, now seen corresponding path program 1 times [2024-11-22 22:25:24,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:24,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420765567] [2024-11-22 22:25:24,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:24,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:24,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141033281] [2024-11-22 22:25:24,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:24,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:24,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:24,134 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) [2024-11-22 22:25:24,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:25:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:24,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:25:24,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:24,223 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:24,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420765567] [2024-11-22 22:25:24,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141033281] [2024-11-22 22:25:24,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141033281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:24,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:24,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:25:24,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544752325] [2024-11-22 22:25:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:24,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:25:24,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:25:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:25:24,226 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:25:24,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:24,414 INFO L93 Difference]: Finished difference Result 105 states and 123 transitions. [2024-11-22 22:25:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:25:24,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:25:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:24,416 INFO L225 Difference]: With dead ends: 105 [2024-11-22 22:25:24,416 INFO L226 Difference]: Without dead ends: 100 [2024-11-22 22:25:24,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:25:24,418 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 98 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:24,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 57 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:25:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-22 22:25:24,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2024-11-22 22:25:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.7037037037037037) internal successors, (92), 79 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) [2024-11-22 22:25:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2024-11-22 22:25:24,436 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 6 [2024-11-22 22:25:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:24,437 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2024-11-22 22:25:24,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:25:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2024-11-22 22:25:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:25:24,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:24,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:24,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:25:24,638 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,SelfDestructingSolverStorable1 [2024-11-22 22:25:24,639 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:24,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1803956427, now seen corresponding path program 1 times [2024-11-22 22:25:24,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:24,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826052250] [2024-11-22 22:25:24,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:24,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:24,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1923670287] [2024-11-22 22:25:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:24,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:24,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:24,657 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) [2024-11-22 22:25:24,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:25:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:24,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:25:24,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:24,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:24,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:24,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826052250] [2024-11-22 22:25:24,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:24,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923670287] [2024-11-22 22:25:24,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923670287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:24,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:24,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:25:24,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238086957] [2024-11-22 22:25:24,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:24,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:25:24,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:24,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:25:24,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:25:24,746 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-22 22:25:25,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:25,017 INFO L93 Difference]: Finished difference Result 103 states and 116 transitions. [2024-11-22 22:25:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:25:25,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2024-11-22 22:25:25,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:25,019 INFO L225 Difference]: With dead ends: 103 [2024-11-22 22:25:25,019 INFO L226 Difference]: Without dead ends: 98 [2024-11-22 22:25:25,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:25:25,020 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 96 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:25,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 58 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:25:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-22 22:25:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 82. [2024-11-22 22:25:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.6) internal successors, (88), 78 states have internal predecessors, (88), 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) [2024-11-22 22:25:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-22 22:25:25,034 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 7 [2024-11-22 22:25:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:25,035 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-22 22:25:25,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-22 22:25:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-22 22:25:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:25:25,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:25,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:25,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:25,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:25,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:25,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:25,237 INFO L85 PathProgramCache]: Analyzing trace with hash 88074440, now seen corresponding path program 1 times [2024-11-22 22:25:25,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:25,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985590266] [2024-11-22 22:25:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:25,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:25,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669440272] [2024-11-22 22:25:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:25,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:25,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:25,260 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) [2024-11-22 22:25:25,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:25:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:25,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:25:25,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:25,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:25,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985590266] [2024-11-22 22:25:25,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669440272] [2024-11-22 22:25:25,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669440272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:25,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:25,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:25:25,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081824426] [2024-11-22 22:25:25,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:25,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:25:25,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:25,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:25:25,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:25,383 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:25:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:25,498 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2024-11-22 22:25:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:25:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-22 22:25:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:25,500 INFO L225 Difference]: With dead ends: 102 [2024-11-22 22:25:25,500 INFO L226 Difference]: Without dead ends: 98 [2024-11-22 22:25:25,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:25,502 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 30 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:25,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 57 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:25:25,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-22 22:25:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 82. [2024-11-22 22:25:25,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 78 states have internal predecessors, (84), 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) [2024-11-22 22:25:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-11-22 22:25:25,511 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 8 [2024-11-22 22:25:25,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:25,512 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-11-22 22:25:25,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:25:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-11-22 22:25:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:25:25,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:25,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:25,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:25,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:25,717 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash 505885196, now seen corresponding path program 1 times [2024-11-22 22:25:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335005333] [2024-11-22 22:25:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:25,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:25,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649057818] [2024-11-22 22:25:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:25,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:25,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:25,737 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) [2024-11-22 22:25:25,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:25:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:25,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:25,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:26,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:26,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335005333] [2024-11-22 22:25:26,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649057818] [2024-11-22 22:25:26,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649057818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:26,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:26,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:25:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494675314] [2024-11-22 22:25:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:26,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:25:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:26,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:25:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:25:26,022 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-22 22:25:26,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:26,164 INFO L93 Difference]: Finished difference Result 100 states and 109 transitions. [2024-11-22 22:25:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:25:26,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 [2024-11-22 22:25:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:26,165 INFO L225 Difference]: With dead ends: 100 [2024-11-22 22:25:26,165 INFO L226 Difference]: Without dead ends: 98 [2024-11-22 22:25:26,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:25:26,166 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 84 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:26,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 67 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:25:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-22 22:25:26,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 83. [2024-11-22 22:25:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 79 states have internal predecessors, (84), 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) [2024-11-22 22:25:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2024-11-22 22:25:26,178 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 12 [2024-11-22 22:25:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:26,179 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2024-11-22 22:25:26,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-22 22:25:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2024-11-22 22:25:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 22:25:26,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:26,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:26,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:26,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:26,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:26,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:26,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1497428047, now seen corresponding path program 1 times [2024-11-22 22:25:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:26,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642905773] [2024-11-22 22:25:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:26,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55701670] [2024-11-22 22:25:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:26,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:26,400 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) [2024-11-22 22:25:26,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:25:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:26,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:26,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:27,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:27,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642905773] [2024-11-22 22:25:27,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55701670] [2024-11-22 22:25:27,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55701670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:27,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:27,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:25:27,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950266149] [2024-11-22 22:25:27,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:27,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:25:27,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:27,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:25:27,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-22 22:25:27,797 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-22 22:25:28,921 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] [2024-11-22 22:25:30,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:25:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:30,198 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2024-11-22 22:25:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:25:30,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 [2024-11-22 22:25:30,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:30,200 INFO L225 Difference]: With dead ends: 100 [2024-11-22 22:25:30,200 INFO L226 Difference]: Without dead ends: 98 [2024-11-22 22:25:30,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-22 22:25:30,201 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 25 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:30,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 130 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 2.4s Time] [2024-11-22 22:25:30,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-22 22:25:30,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2024-11-22 22:25:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 80 states have internal predecessors, (84), 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) [2024-11-22 22:25:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2024-11-22 22:25:30,216 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 13 [2024-11-22 22:25:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:30,217 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2024-11-22 22:25:30,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-22 22:25:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2024-11-22 22:25:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:25:30,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:30,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:30,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:30,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:30,422 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:30,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash 824370862, now seen corresponding path program 1 times [2024-11-22 22:25:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279051605] [2024-11-22 22:25:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:30,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79675175] [2024-11-22 22:25:30,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:30,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:30,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:30,447 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) [2024-11-22 22:25:30,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:25:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:30,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:25:30,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:30,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:30,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279051605] [2024-11-22 22:25:30,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:30,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79675175] [2024-11-22 22:25:30,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79675175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:30,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:30,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:25:30,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793801381] [2024-11-22 22:25:30,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:30,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:25:30,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:30,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:25:30,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:25:30,575 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 22:25:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:30,694 INFO L93 Difference]: Finished difference Result 98 states and 101 transitions. [2024-11-22 22:25:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:25:30,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-22 22:25:30,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:30,696 INFO L225 Difference]: With dead ends: 98 [2024-11-22 22:25:30,696 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 22:25:30,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:25:30,697 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:30,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 49 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:25:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 22:25:30,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2024-11-22 22:25:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 49 states have (on average 1.489795918367347) internal successors, (73), 72 states have internal predecessors, (73), 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) [2024-11-22 22:25:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2024-11-22 22:25:30,716 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 14 [2024-11-22 22:25:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:30,717 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2024-11-22 22:25:30,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 22:25:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2024-11-22 22:25:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:25:30,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:30,717 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] [2024-11-22 22:25:30,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:25:30,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:30,918 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:30,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:30,919 INFO L85 PathProgramCache]: Analyzing trace with hash -776361958, now seen corresponding path program 1 times [2024-11-22 22:25:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691091853] [2024-11-22 22:25:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:31,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:31,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691091853] [2024-11-22 22:25:31,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691091853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:31,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:31,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:25:31,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224079934] [2024-11-22 22:25:31,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:31,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:25:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:31,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:25:31,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:31,035 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-22 22:25:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:31,051 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2024-11-22 22:25:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:25:31,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2024-11-22 22:25:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:31,052 INFO L225 Difference]: With dead ends: 80 [2024-11-22 22:25:31,053 INFO L226 Difference]: Without dead ends: 78 [2024-11-22 22:25:31,053 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 [2024-11-22 22:25:31,053 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:31,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 114 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:25:31,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-22 22:25:31,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-22 22:25:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 74 states have internal predecessors, (75), 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) [2024-11-22 22:25:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2024-11-22 22:25:31,066 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 22 [2024-11-22 22:25:31,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:31,067 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2024-11-22 22:25:31,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-22 22:25:31,067 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2024-11-22 22:25:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:25:31,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:31,068 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] [2024-11-22 22:25:31,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:25:31,068 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:31,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:31,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1908978210, now seen corresponding path program 1 times [2024-11-22 22:25:31,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:31,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391272609] [2024-11-22 22:25:31,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:31,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:31,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617801713] [2024-11-22 22:25:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:31,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:31,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:31,100 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) [2024-11-22 22:25:31,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:25:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:31,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:25:31,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:31,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:31,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:31,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391272609] [2024-11-22 22:25:31,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:31,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617801713] [2024-11-22 22:25:31,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617801713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:31,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:31,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:25:31,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350566881] [2024-11-22 22:25:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:31,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:25:31,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:31,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:25:31,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:25:31,559 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-22 22:25:31,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:31,834 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2024-11-22 22:25:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:25:31,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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 26 [2024-11-22 22:25:31,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:31,836 INFO L225 Difference]: With dead ends: 83 [2024-11-22 22:25:31,836 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 22:25:31,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:25:31,837 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 26 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:31,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 157 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:25:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 22:25:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2024-11-22 22:25:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 77 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:25:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2024-11-22 22:25:31,847 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 26 [2024-11-22 22:25:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:31,848 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2024-11-22 22:25:31,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-22 22:25:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2024-11-22 22:25:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 22:25:31,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:31,849 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] [2024-11-22 22:25:31,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:25:32,053 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,SelfDestructingSolverStorable8 [2024-11-22 22:25:32,054 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:32,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:32,054 INFO L85 PathProgramCache]: Analyzing trace with hash 951217717, now seen corresponding path program 1 times [2024-11-22 22:25:32,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:32,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174915748] [2024-11-22 22:25:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512451715] [2024-11-22 22:25:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:32,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:32,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:32,087 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) [2024-11-22 22:25:32,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:25:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:32,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:25:32,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:32,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:32,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174915748] [2024-11-22 22:25:32,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512451715] [2024-11-22 22:25:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512451715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:32,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:32,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:25:32,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341173617] [2024-11-22 22:25:32,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:32,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:25:32,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:32,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:25:32,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:25:32,524 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 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) [2024-11-22 22:25:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:32,751 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2024-11-22 22:25:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:25:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 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 [2024-11-22 22:25:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:32,752 INFO L225 Difference]: With dead ends: 83 [2024-11-22 22:25:32,752 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 22:25:32,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:25:32,753 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 25 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:32,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 160 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:25:32,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 22:25:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-22 22:25:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 78 states have internal predecessors, (79), 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) [2024-11-22 22:25:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2024-11-22 22:25:32,760 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 27 [2024-11-22 22:25:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:32,762 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2024-11-22 22:25:32,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 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) [2024-11-22 22:25:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2024-11-22 22:25:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:25:32,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:32,763 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] [2024-11-22 22:25:32,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:25:32,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 22:25:32,967 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:32,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:32,967 INFO L85 PathProgramCache]: Analyzing trace with hash -577021760, now seen corresponding path program 1 times [2024-11-22 22:25:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822314887] [2024-11-22 22:25:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:32,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:32,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872499572] [2024-11-22 22:25:32,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:32,986 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) [2024-11-22 22:25:32,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:25:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:33,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:25:33,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:33,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:33,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:33,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822314887] [2024-11-22 22:25:33,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:33,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872499572] [2024-11-22 22:25:33,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872499572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:33,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:33,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:25:33,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539216528] [2024-11-22 22:25:33,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:33,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:25:33,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:33,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:25:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:33,107 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-22 22:25:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:33,204 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2024-11-22 22:25:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:25:33,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 28 [2024-11-22 22:25:33,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:33,206 INFO L225 Difference]: With dead ends: 85 [2024-11-22 22:25:33,206 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 22:25:33,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:33,207 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:33,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:25:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 22:25:33,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-22 22:25:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 79 states have internal predecessors, (80), 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) [2024-11-22 22:25:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2024-11-22 22:25:33,213 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 28 [2024-11-22 22:25:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:33,214 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2024-11-22 22:25:33,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-22 22:25:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2024-11-22 22:25:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:25:33,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:33,215 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] [2024-11-22 22:25:33,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:33,419 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,SelfDestructingSolverStorable10 [2024-11-22 22:25:33,420 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:33,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -707805289, now seen corresponding path program 1 times [2024-11-22 22:25:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:33,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533036975] [2024-11-22 22:25:33,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:33,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:33,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968953587] [2024-11-22 22:25:33,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:33,435 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) [2024-11-22 22:25:33,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:25:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:33,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:25:33,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:25:33,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:25:33,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:33,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533036975] [2024-11-22 22:25:33,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968953587] [2024-11-22 22:25:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968953587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:25:33,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:25:33,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:25:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710558083] [2024-11-22 22:25:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:25:33,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:25:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:33,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:25:33,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:33,548 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-22 22:25:33,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:33,658 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2024-11-22 22:25:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:25:33,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 29 [2024-11-22 22:25:33,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:33,659 INFO L225 Difference]: With dead ends: 85 [2024-11-22 22:25:33,659 INFO L226 Difference]: Without dead ends: 84 [2024-11-22 22:25:33,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:25:33,660 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:33,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:25:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-22 22:25:33,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-22 22:25:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 80 states have internal predecessors, (81), 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) [2024-11-22 22:25:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2024-11-22 22:25:33,666 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 29 [2024-11-22 22:25:33,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:33,666 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2024-11-22 22:25:33,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-22 22:25:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2024-11-22 22:25:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:25:33,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:33,668 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] [2024-11-22 22:25:33,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:33,872 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,SelfDestructingSolverStorable11 [2024-11-22 22:25:33,873 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-22 22:25:33,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1596048519, now seen corresponding path program 1 times [2024-11-22 22:25:33,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:33,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512807705] [2024-11-22 22:25:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:33,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:33,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227646015] [2024-11-22 22:25:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:33,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:33,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:33,888 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) [2024-11-22 22:25:33,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:25:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:25:33,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 22:25:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:25:33,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 22:25:33,968 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 22:25:33,972 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-11-22 22:25:33,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-11-22 22:25:33,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-11-22 22:25:33,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-11-22 22:25:33,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-11-22 22:25:33,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-11-22 22:25:33,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-11-22 22:25:33,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-11-22 22:25:33,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-11-22 22:25:33,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-11-22 22:25:33,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-11-22 22:25:33,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-11-22 22:25:33,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-11-22 22:25:33,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-11-22 22:25:33,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-11-22 22:25:33,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-11-22 22:25:33,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:34,184 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,SelfDestructingSolverStorable12 [2024-11-22 22:25:34,187 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:34,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:25:34,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:25:34 BoogieIcfgContainer [2024-11-22 22:25:34,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:25:34,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:25:34,218 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:25:34,219 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:25:34,219 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:23" (3/4) ... [2024-11-22 22:25:34,220 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 22:25:34,259 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:25:34,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:25:34,260 INFO L158 Benchmark]: Toolchain (without parser) took 11903.78ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.2MB in the beginning and 114.6MB in the end (delta: -31.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,260 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:25:34,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 155.2MB. Free memory was 83.0MB in the beginning and 70.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.15ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,261 INFO L158 Benchmark]: Boogie Preprocessor took 37.78ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:25:34,261 INFO L158 Benchmark]: RCFGBuilder took 556.29ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 67.0MB in the beginning and 162.4MB in the end (delta: -95.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,264 INFO L158 Benchmark]: TraceAbstraction took 10948.98ms. Allocated memory is still 203.4MB. Free memory was 161.3MB in the beginning and 116.7MB in the end (delta: 44.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,264 INFO L158 Benchmark]: Witness Printer took 41.33ms. Allocated memory is still 203.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:25:34,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 155.2MB. Free memory was 83.0MB in the beginning and 70.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.15ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.78ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.29ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 67.0MB in the beginning and 162.4MB in the end (delta: -95.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10948.98ms. Allocated memory is still 203.4MB. Free memory was 161.3MB in the beginning and 116.7MB in the end (delta: 44.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 41.33ms. Allocated memory is still 203.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int z, a, k; [L23] long long x, y, c, az; [L24] z = __VERIFIER_nondet_int() [L25] a = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = a [L29] y = 1 [L30] c = 1 VAL [a=-3, c=1, k=2, x=-3, y=1, z=-1753413057] [L31] EXPR (long long) a * z [L31] az = (long long) a * z VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L33] COND TRUE 1 VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR z*x VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR z*x - x VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR z*x - x + a VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR az*y VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR z*x - x + a - az*y VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L34] CALL __VERIFIER_assert(z*x - x + a - az*y == 0) [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L36] COND FALSE !(!(c < k)) VAL [a=-3, az=5260239171, c=1, k=2, x=-3, y=1, z=-1753413057] [L39] EXPR c + 1 [L39] c = c + 1 VAL [a=-3, az=5260239171, c=2, k=2, x=-3, y=1, z=-1753413057] [L40] EXPR x * z VAL [a=-3, az=5260239171, c=2, k=2, x=-3, y=1, z=-1753413057] [L40] EXPR x * z + a [L40] x = x * z + a VAL [a=-3, az=5260239171, c=2, k=2, x=5260239168, y=1, z=-1753413057] [L41] EXPR y * z [L41] y = y * z VAL [a=-3, az=5260239171, c=2, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L33] COND TRUE 1 VAL [a=-3, az=5260239171, c=2, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] z*x VAL [a=-3, az=5260239171, c=2, k=2, y=-1753413057] - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: 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: 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: 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: 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: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: 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: 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: 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: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: 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, 76 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 473 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 466 mSDsluCounter, 1000 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 533 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 955 IncrementalHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 467 mSDtfsCounter, 955 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=6, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 88 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 183 ConstructedInterpolants, 17 QuantifiedInterpolants, 2228 SizeOfPredicates, 11 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 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! [2024-11-22 22:25:34,297 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)