./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.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-scaling/lcm1_unwindbound5.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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:50:19,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:50:19,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:50:19,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:50:19,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:50:19,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:50:19,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:50:19,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:50:19,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:50:19,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:50:19,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:50:19,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:50:19,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:50:19,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:50:19,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:50:19,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:50:19,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:50:19,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:50:19,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:50:19,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:50:19,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:50:19,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:50:19,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:50:19,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:50:19,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:50:19,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:50:19,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:50:19,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:50:19,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:50:19,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:19,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:50:19,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:50:19,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:50:19,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:50:19,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:50:19,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:50:19,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:50:19,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:50:19,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:50:19,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-11-22 22:50:20,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:50:20,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:50:20,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:50:20,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:50:20,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:50:20,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-22 22:50:21,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:50:21,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:50:21,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-22 22:50:21,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7e2b8f7/cd85973618554e2bb3dfd4a88876d32a/FLAG50c934cf1 [2024-11-22 22:50:21,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7e2b8f7/cd85973618554e2bb3dfd4a88876d32a [2024-11-22 22:50:21,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:50:21,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:50:21,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:21,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:50:21,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:50:21,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:21" (1/1) ... [2024-11-22 22:50:21,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e54db50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:21, skipping insertion in model container [2024-11-22 22:50:21,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:21" (1/1) ... [2024-11-22 22:50:21,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:50:22,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:22,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:50:22,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:22,182 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:50:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22 WrapperNode [2024-11-22 22:50:22,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:22,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:22,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:50:22,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:50:22,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,213 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-22 22:50:22,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:22,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:50:22,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:50:22,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:50:22,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,238 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-22 22:50:22,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:50:22,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:50:22,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:50:22,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:50:22,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (1/1) ... [2024-11-22 22:50:22,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:22,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:22,288 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 22:50:22,290 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 22:50:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:50:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:50:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:50:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:50:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 22:50:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:50:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:50:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:50:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:50:22,384 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:50:22,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:50:22,630 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-22 22:50:22,630 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:50:22,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:50:22,645 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 22:50:22,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:22 BoogieIcfgContainer [2024-11-22 22:50:22,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:50:22,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:50:22,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:50:22,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:50:22,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:50:21" (1/3) ... [2024-11-22 22:50:22,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9229cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:22, skipping insertion in model container [2024-11-22 22:50:22,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:22" (2/3) ... [2024-11-22 22:50:22,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9229cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:22, skipping insertion in model container [2024-11-22 22:50:22,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:22" (3/3) ... [2024-11-22 22:50:22,653 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound5.c [2024-11-22 22:50:22,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:50:22,668 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-22 22:50:22,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:50:22,721 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;@86422be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:50:22,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-22 22:50:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:50:22,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:22,733 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:22,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:22,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:22,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-22 22:50:22,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:22,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197536313] [2024-11-22 22:50:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:22,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:50:22,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:22,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197536313] [2024-11-22 22:50:22,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197536313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:22,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829826290] [2024-11-22 22:50:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:22,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:22,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:22,895 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 22:50:22,897 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 22:50:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:22,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:50:22,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:50:22,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:22,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829826290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:22,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:22,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:50:22,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446610585] [2024-11-22 22:50:22,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:22,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:50:22,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:22,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:50:22,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:50:22,998 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:50:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:23,020 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-22 22:50:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:50:23,022 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-22 22:50:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:23,027 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:50:23,028 INFO L226 Difference]: Without dead ends: 39 [2024-11-22 22:50:23,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:50:23,036 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:23,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:23,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-22 22:50:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-22 22:50:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:50:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-22 22:50:23,074 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-22 22:50:23,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:23,075 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-22 22:50:23,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:50:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-22 22:50:23,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:50:23,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:23,077 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:23,088 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 22:50:23,281 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 22:50:23,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:23,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-22 22:50:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463902750] [2024-11-22 22:50:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:23,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:23,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463902750] [2024-11-22 22:50:23,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463902750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:23,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:23,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:23,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413481647] [2024-11-22 22:50:23,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:23,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:23,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:23,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:23,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:23,441 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:50:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:23,493 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-22 22:50:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:50:23,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-22 22:50:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:23,494 INFO L225 Difference]: With dead ends: 45 [2024-11-22 22:50:23,494 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 22:50:23,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 22:50:23,495 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:23,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 22:50:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-22 22:50:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:50:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-22 22:50:23,501 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-22 22:50:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:23,502 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-22 22:50:23,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:50:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-22 22:50:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:50:23,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:23,503 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 22:50:23,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:50:23,504 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:23,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:23,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-22 22:50:23,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:23,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515603544] [2024-11-22 22:50:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:23,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:23,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515603544] [2024-11-22 22:50:23,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515603544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:23,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:23,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:50:23,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305303060] [2024-11-22 22:50:23,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:23,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:23,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:23,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:23,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:50:23,641 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:23,784 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-22 22:50:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:50:23,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-22 22:50:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:23,785 INFO L225 Difference]: With dead ends: 62 [2024-11-22 22:50:23,785 INFO L226 Difference]: Without dead ends: 61 [2024-11-22 22:50:23,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:23,787 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:23,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 177 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-22 22:50:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-22 22:50:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-22 22:50:23,797 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-22 22:50:23,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:23,797 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-22 22:50:23,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-22 22:50:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:50:23,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:23,798 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 22:50:23,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:50:23,799 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:23,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:23,800 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-22 22:50:23,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:23,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826093576] [2024-11-22 22:50:23,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:23,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:23,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:23,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826093576] [2024-11-22 22:50:23,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826093576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:23,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:23,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:50:23,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376836497] [2024-11-22 22:50:23,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:23,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:23,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:23,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:23,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:50:23,938 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:24,024 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-22 22:50:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:50:24,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-22 22:50:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:24,026 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:50:24,027 INFO L226 Difference]: Without dead ends: 63 [2024-11-22 22:50:24,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:24,028 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:24,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 144 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-22 22:50:24,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-22 22:50:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:50:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-22 22:50:24,043 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-22 22:50:24,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:24,043 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-22 22:50:24,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:50:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-22 22:50:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:50:24,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:24,044 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:24,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:50:24,044 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:24,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-22 22:50:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:24,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034273985] [2024-11-22 22:50:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:24,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:24,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034273985] [2024-11-22 22:50:24,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034273985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:24,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 22:50:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982217863] [2024-11-22 22:50:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:24,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:50:24,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:24,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:50:24,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:24,196 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:24,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:24,494 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-22 22:50:24,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:50:24,495 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-22 22:50:24,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:24,496 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:50:24,498 INFO L226 Difference]: Without dead ends: 80 [2024-11-22 22:50:24,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:50:24,499 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:24,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 232 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:50:24,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-22 22:50:24,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-22 22:50:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:50:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-22 22:50:24,507 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-22 22:50:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:24,509 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-22 22:50:24,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-22 22:50:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:50:24,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:24,510 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:24,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:50:24,510 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:24,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:24,510 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-22 22:50:24,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:24,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043429624] [2024-11-22 22:50:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:24,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:24,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:24,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043429624] [2024-11-22 22:50:24,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043429624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:24,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:24,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 22:50:24,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226158633] [2024-11-22 22:50:24,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:24,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:50:24,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:24,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:50:24,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:24,614 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:24,741 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-22 22:50:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:50:24,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-22 22:50:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:24,742 INFO L225 Difference]: With dead ends: 115 [2024-11-22 22:50:24,742 INFO L226 Difference]: Without dead ends: 87 [2024-11-22 22:50:24,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:50:24,743 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:24,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-22 22:50:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-22 22:50:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:50:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-22 22:50:24,753 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-22 22:50:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:24,753 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-22 22:50:24,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:50:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-22 22:50:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:50:24,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:24,755 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:24,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:50:24,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:24,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:24,757 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-22 22:50:24,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:24,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841956424] [2024-11-22 22:50:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:24,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:24,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:24,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841956424] [2024-11-22 22:50:24,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841956424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:24,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745105290] [2024-11-22 22:50:24,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:24,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:24,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:24,850 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 22:50:24,851 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 22:50:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:24,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:24,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:25,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:50:25,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745105290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:25,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:25,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-22 22:50:25,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983378487] [2024-11-22 22:50:25,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:25,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:50:25,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:25,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:50:25,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:50:25,145 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:50:25,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:25,689 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-22 22:50:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:50:25,690 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-22 22:50:25,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:25,691 INFO L225 Difference]: With dead ends: 233 [2024-11-22 22:50:25,691 INFO L226 Difference]: Without dead ends: 195 [2024-11-22 22:50:25,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:50:25,693 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 114 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:25,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 289 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:25,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-22 22:50:25,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-22 22:50:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 22:50:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-22 22:50:25,712 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-22 22:50:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:25,716 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-22 22:50:25,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:50:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-22 22:50:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:50:25,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:25,717 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:25,727 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 22:50:25,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-22 22:50:25,923 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:25,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-22 22:50:25,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352753746] [2024-11-22 22:50:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352753746] [2024-11-22 22:50:25,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352753746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:25,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:25,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:50:25,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050059965] [2024-11-22 22:50:25,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:25,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:25,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:25,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:25,995 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:50:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:26,073 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-22 22:50:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:26,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-22 22:50:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:26,075 INFO L225 Difference]: With dead ends: 270 [2024-11-22 22:50:26,075 INFO L226 Difference]: Without dead ends: 205 [2024-11-22 22:50:26,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 22:50:26,076 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:26,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-22 22:50:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-22 22:50:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:50:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-22 22:50:26,090 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-22 22:50:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:26,091 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-22 22:50:26,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:50:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-22 22:50:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:50:26,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:26,092 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:26,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:50:26,092 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-22 22:50:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311566213] [2024-11-22 22:50:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:26,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:26,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311566213] [2024-11-22 22:50:26,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311566213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:26,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373202688] [2024-11-22 22:50:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:26,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:26,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:26,214 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 22:50:26,215 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 22:50:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:26,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:50:26,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:26,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:26,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373202688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:26,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:26,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-22 22:50:26,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748739524] [2024-11-22 22:50:26,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:26,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-22 22:50:26,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:26,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-22 22:50:26,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:50:26,559 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-22 22:50:27,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:27,532 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-22 22:50:27,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-22 22:50:27,533 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-22 22:50:27,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:27,535 INFO L225 Difference]: With dead ends: 379 [2024-11-22 22:50:27,535 INFO L226 Difference]: Without dead ends: 296 [2024-11-22 22:50:27,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 22:50:27,536 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 176 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:27,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 325 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:50:27,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-22 22:50:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-22 22:50:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:50:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-22 22:50:27,551 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-22 22:50:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:27,551 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-22 22:50:27,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-22 22:50:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-22 22:50:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 22:50:27,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:27,552 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:27,565 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 22:50:27,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:27,753 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:27,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-22 22:50:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:27,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28964240] [2024-11-22 22:50:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:27,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:27,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28964240] [2024-11-22 22:50:27,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28964240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:27,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175468220] [2024-11-22 22:50:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:27,909 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 22:50:27,910 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 22:50:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:27,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:50:27,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:28,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:50:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175468220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:28,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:28,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 17 [2024-11-22 22:50:28,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904508671] [2024-11-22 22:50:28,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:28,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:50:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:28,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:50:28,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:50:28,108 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-22 22:50:28,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:28,583 INFO L93 Difference]: Finished difference Result 425 states and 526 transitions. [2024-11-22 22:50:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:50:28,584 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 59 [2024-11-22 22:50:28,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:28,585 INFO L225 Difference]: With dead ends: 425 [2024-11-22 22:50:28,586 INFO L226 Difference]: Without dead ends: 286 [2024-11-22 22:50:28,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 108 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:50:28,587 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 47 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:28,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 378 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-22 22:50:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 281. [2024-11-22 22:50:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 222 states have (on average 1.2567567567567568) internal successors, (279), 227 states have internal predecessors, (279), 30 states have call successors, (30), 23 states have call predecessors, (30), 23 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-22 22:50:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 339 transitions. [2024-11-22 22:50:28,606 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 339 transitions. Word has length 59 [2024-11-22 22:50:28,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:28,606 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 339 transitions. [2024-11-22 22:50:28,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-22 22:50:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 339 transitions. [2024-11-22 22:50:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:50:28,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:28,607 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:28,615 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 22:50:28,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:28,808 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:28,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-22 22:50:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:28,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702368528] [2024-11-22 22:50:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:28,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:28,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702368528] [2024-11-22 22:50:28,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702368528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:28,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61166345] [2024-11-22 22:50:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:28,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:28,968 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 22:50:28,969 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 22:50:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:29,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:50:29,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:29,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:29,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61166345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:29,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:29,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-22 22:50:29,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948172664] [2024-11-22 22:50:29,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:29,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:50:29,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:29,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:50:29,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:50:29,142 INFO L87 Difference]: Start difference. First operand 281 states and 339 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:50:29,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:29,447 INFO L93 Difference]: Finished difference Result 349 states and 421 transitions. [2024-11-22 22:50:29,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:50:29,447 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-22 22:50:29,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:29,449 INFO L225 Difference]: With dead ends: 349 [2024-11-22 22:50:29,449 INFO L226 Difference]: Without dead ends: 346 [2024-11-22 22:50:29,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:50:29,451 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 54 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:29,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 142 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:50:29,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-22 22:50:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 255. [2024-11-22 22:50:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 202 states have (on average 1.183168316831683) internal successors, (239), 205 states have internal predecessors, (239), 28 states have call successors, (28), 22 states have call predecessors, (28), 22 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-22 22:50:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 295 transitions. [2024-11-22 22:50:29,465 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 295 transitions. Word has length 65 [2024-11-22 22:50:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:29,465 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 295 transitions. [2024-11-22 22:50:29,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:50:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2024-11-22 22:50:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 22:50:29,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:29,468 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:29,475 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 22:50:29,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 22:50:29,672 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:29,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:29,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-22 22:50:29,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:29,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373450415] [2024-11-22 22:50:29,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373450415] [2024-11-22 22:50:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373450415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643253768] [2024-11-22 22:50:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:29,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:29,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:29,793 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 22:50:29,793 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 22:50:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:29,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:50:29,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:29,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:30,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643253768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:30,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:30,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-22 22:50:30,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416802551] [2024-11-22 22:50:30,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:30,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-22 22:50:30,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:30,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-22 22:50:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:50:30,123 INFO L87 Difference]: Start difference. First operand 255 states and 295 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-22 22:50:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:31,150 INFO L93 Difference]: Finished difference Result 294 states and 342 transitions. [2024-11-22 22:50:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-22 22:50:31,150 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-22 22:50:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:31,153 INFO L225 Difference]: With dead ends: 294 [2024-11-22 22:50:31,153 INFO L226 Difference]: Without dead ends: 293 [2024-11-22 22:50:31,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-22 22:50:31,154 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 174 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:31,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 369 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:50:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-22 22:50:31,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2024-11-22 22:50:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 213 states have (on average 1.1784037558685445) internal successors, (251), 216 states have internal predecessors, (251), 29 states have call successors, (29), 23 states have call predecessors, (29), 23 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:50:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 309 transitions. [2024-11-22 22:50:31,165 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 309 transitions. Word has length 66 [2024-11-22 22:50:31,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:31,166 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 309 transitions. [2024-11-22 22:50:31,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-22 22:50:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 309 transitions. [2024-11-22 22:50:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:50:31,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:31,166 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:31,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:50:31,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:31,367 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:31,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:31,368 INFO L85 PathProgramCache]: Analyzing trace with hash -711514622, now seen corresponding path program 1 times [2024-11-22 22:50:31,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:31,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117915146] [2024-11-22 22:50:31,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:31,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:31,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117915146] [2024-11-22 22:50:31,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117915146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:31,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044387749] [2024-11-22 22:50:31,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:31,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:31,520 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 22:50:31,521 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 22:50:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:31,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:50:31,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:31,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:50:31,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044387749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:31,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:31,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 15 [2024-11-22 22:50:31,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720829812] [2024-11-22 22:50:31,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:31,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:50:31,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:31,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:50:31,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:50:31,730 INFO L87 Difference]: Start difference. First operand 268 states and 309 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-22 22:50:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:31,915 INFO L93 Difference]: Finished difference Result 427 states and 497 transitions. [2024-11-22 22:50:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:50:31,916 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 70 [2024-11-22 22:50:31,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:31,917 INFO L225 Difference]: With dead ends: 427 [2024-11-22 22:50:31,917 INFO L226 Difference]: Without dead ends: 268 [2024-11-22 22:50:31,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 128 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:50:31,918 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 53 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:31,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 282 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:31,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-22 22:50:31,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-22 22:50:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 213 states have (on average 1.1737089201877935) internal successors, (250), 216 states have internal predecessors, (250), 29 states have call successors, (29), 23 states have call predecessors, (29), 23 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:50:31,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 308 transitions. [2024-11-22 22:50:31,928 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 308 transitions. Word has length 70 [2024-11-22 22:50:31,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:31,929 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 308 transitions. [2024-11-22 22:50:31,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-22 22:50:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 308 transitions. [2024-11-22 22:50:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 22:50:31,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:31,932 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 22:50:31,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:32,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:32,133 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:32,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1264054360, now seen corresponding path program 1 times [2024-11-22 22:50:32,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:32,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305134279] [2024-11-22 22:50:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:32,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:32,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305134279] [2024-11-22 22:50:32,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305134279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:32,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939568090] [2024-11-22 22:50:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:32,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:32,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:32,312 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 22:50:32,313 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 22:50:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:32,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:50:32,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:32,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939568090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:32,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:32,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-11-22 22:50:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874416810] [2024-11-22 22:50:32,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-22 22:50:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-22 22:50:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2024-11-22 22:50:32,680 INFO L87 Difference]: Start difference. First operand 268 states and 308 transitions. Second operand has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-22 22:50:33,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:33,829 INFO L93 Difference]: Finished difference Result 456 states and 538 transitions. [2024-11-22 22:50:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-22 22:50:33,830 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) Word has length 76 [2024-11-22 22:50:33,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:33,831 INFO L225 Difference]: With dead ends: 456 [2024-11-22 22:50:33,832 INFO L226 Difference]: Without dead ends: 454 [2024-11-22 22:50:33,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1283, Invalid=4723, Unknown=0, NotChecked=0, Total=6006 [2024-11-22 22:50:33,833 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 321 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:33,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 419 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:50:33,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-22 22:50:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 387. [2024-11-22 22:50:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 308 states have (on average 1.1948051948051948) internal successors, (368), 311 states have internal predecessors, (368), 41 states have call successors, (41), 35 states have call predecessors, (41), 35 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-22 22:50:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 450 transitions. [2024-11-22 22:50:33,854 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 450 transitions. Word has length 76 [2024-11-22 22:50:33,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:33,854 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 450 transitions. [2024-11-22 22:50:33,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-22 22:50:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 450 transitions. [2024-11-22 22:50:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:50:33,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:33,855 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:33,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:34,056 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,SelfDestructingSolverStorable13 [2024-11-22 22:50:34,056 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:34,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:34,057 INFO L85 PathProgramCache]: Analyzing trace with hash 48366921, now seen corresponding path program 1 times [2024-11-22 22:50:34,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:34,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804042760] [2024-11-22 22:50:34,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:34,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:34,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:34,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804042760] [2024-11-22 22:50:34,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804042760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:34,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448802285] [2024-11-22 22:50:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:34,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:34,256 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 22:50:34,256 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 22:50:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:34,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:50:34,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 76 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:50:34,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:50:34,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448802285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:34,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:34,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 40 [2024-11-22 22:50:34,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693621761] [2024-11-22 22:50:34,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:34,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-22 22:50:34,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-22 22:50:34,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2024-11-22 22:50:34,707 INFO L87 Difference]: Start difference. First operand 387 states and 450 transitions. Second operand has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-22 22:50:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:35,985 INFO L93 Difference]: Finished difference Result 497 states and 575 transitions. [2024-11-22 22:50:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-22 22:50:35,986 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) Word has length 80 [2024-11-22 22:50:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:35,988 INFO L225 Difference]: With dead ends: 497 [2024-11-22 22:50:35,988 INFO L226 Difference]: Without dead ends: 496 [2024-11-22 22:50:35,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1498, Invalid=6158, Unknown=0, NotChecked=0, Total=7656 [2024-11-22 22:50:35,994 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 327 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:35,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 451 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:50:35,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-22 22:50:36,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 345. [2024-11-22 22:50:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 274 states have (on average 1.1934306569343065) internal successors, (327), 277 states have internal predecessors, (327), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-22 22:50:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 401 transitions. [2024-11-22 22:50:36,013 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 401 transitions. Word has length 80 [2024-11-22 22:50:36,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:36,013 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 401 transitions. [2024-11-22 22:50:36,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-22 22:50:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 401 transitions. [2024-11-22 22:50:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 22:50:36,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:36,015 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:36,022 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 22:50:36,215 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,SelfDestructingSolverStorable14 [2024-11-22 22:50:36,216 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:36,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash 193466798, now seen corresponding path program 1 times [2024-11-22 22:50:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819890915] [2024-11-22 22:50:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:36,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-22 22:50:36,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:36,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819890915] [2024-11-22 22:50:36,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819890915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:36,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393399369] [2024-11-22 22:50:36,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:36,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:36,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:36,405 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 22:50:36,406 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 22:50:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:36,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:50:36,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-22 22:50:36,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-22 22:50:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393399369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:36,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2024-11-22 22:50:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171999857] [2024-11-22 22:50:36,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:36,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:50:36,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:50:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:50:36,621 INFO L87 Difference]: Start difference. First operand 345 states and 401 transitions. Second operand has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-22 22:50:37,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:37,196 INFO L93 Difference]: Finished difference Result 769 states and 900 transitions. [2024-11-22 22:50:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:50:37,197 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 96 [2024-11-22 22:50:37,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:37,199 INFO L225 Difference]: With dead ends: 769 [2024-11-22 22:50:37,199 INFO L226 Difference]: Without dead ends: 553 [2024-11-22 22:50:37,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 179 SyntacticMatches, 11 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:50:37,201 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 65 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:37,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 596 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:50:37,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-22 22:50:37,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 516. [2024-11-22 22:50:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 413 states have (on average 1.2130750605326877) internal successors, (501), 416 states have internal predecessors, (501), 53 states have call successors, (53), 47 states have call predecessors, (53), 47 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-22 22:50:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 607 transitions. [2024-11-22 22:50:37,227 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 607 transitions. Word has length 96 [2024-11-22 22:50:37,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:37,228 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 607 transitions. [2024-11-22 22:50:37,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-22 22:50:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 607 transitions. [2024-11-22 22:50:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:50:37,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:37,229 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:37,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:50:37,429 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,SelfDestructingSolverStorable15 [2024-11-22 22:50:37,429 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:37,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:37,430 INFO L85 PathProgramCache]: Analyzing trace with hash 573869931, now seen corresponding path program 1 times [2024-11-22 22:50:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:37,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200223937] [2024-11-22 22:50:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:37,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-22 22:50:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200223937] [2024-11-22 22:50:37,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200223937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:37,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:50:37,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834047727] [2024-11-22 22:50:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:37,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:50:37,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:37,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:50:37,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:50:37,532 INFO L87 Difference]: Start difference. First operand 516 states and 607 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:50:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:37,600 INFO L93 Difference]: Finished difference Result 932 states and 1104 transitions. [2024-11-22 22:50:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:50:37,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 100 [2024-11-22 22:50:37,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:37,604 INFO L225 Difference]: With dead ends: 932 [2024-11-22 22:50:37,605 INFO L226 Difference]: Without dead ends: 559 [2024-11-22 22:50:37,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:50:37,607 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:37,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 156 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-22 22:50:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 522. [2024-11-22 22:50:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 420 states have (on average 1.207142857142857) internal successors, (507), 423 states have internal predecessors, (507), 52 states have call successors, (52), 47 states have call predecessors, (52), 47 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:50:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 611 transitions. [2024-11-22 22:50:37,640 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 611 transitions. Word has length 100 [2024-11-22 22:50:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:37,640 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 611 transitions. [2024-11-22 22:50:37,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:50:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 611 transitions. [2024-11-22 22:50:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 22:50:37,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:37,646 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 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 22:50:37,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:50:37,646 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:37,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 726827833, now seen corresponding path program 2 times [2024-11-22 22:50:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:37,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096695312] [2024-11-22 22:50:37,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:37,671 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:37,672 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-22 22:50:37,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:37,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096695312] [2024-11-22 22:50:37,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096695312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:37,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:37,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:50:37,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317580060] [2024-11-22 22:50:37,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:37,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:50:37,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:50:37,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:50:37,791 INFO L87 Difference]: Start difference. First operand 522 states and 611 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:37,865 INFO L93 Difference]: Finished difference Result 550 states and 641 transitions. [2024-11-22 22:50:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:50:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2024-11-22 22:50:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:37,868 INFO L225 Difference]: With dead ends: 550 [2024-11-22 22:50:37,868 INFO L226 Difference]: Without dead ends: 549 [2024-11-22 22:50:37,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:50:37,868 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 24 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:37,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 133 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-22 22:50:37,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 525. [2024-11-22 22:50:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 423 states have (on average 1.2009456264775413) internal successors, (508), 426 states have internal predecessors, (508), 52 states have call successors, (52), 47 states have call predecessors, (52), 47 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:50:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 612 transitions. [2024-11-22 22:50:37,891 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 612 transitions. Word has length 106 [2024-11-22 22:50:37,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:37,891 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 612 transitions. [2024-11-22 22:50:37,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 612 transitions. [2024-11-22 22:50:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:50:37,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:37,906 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:37,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:50:37,906 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:37,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:37,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1806057386, now seen corresponding path program 1 times [2024-11-22 22:50:37,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:37,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764927298] [2024-11-22 22:50:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:37,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-22 22:50:38,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:38,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764927298] [2024-11-22 22:50:38,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764927298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:38,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800489672] [2024-11-22 22:50:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:38,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:38,009 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 22:50:38,010 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 22:50:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:38,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:50:38,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 196 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-22 22:50:38,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-22 22:50:38,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800489672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:38,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:38,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-11-22 22:50:38,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907375137] [2024-11-22 22:50:38,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:38,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:50:38,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:38,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:50:38,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:50:38,385 INFO L87 Difference]: Start difference. First operand 525 states and 612 transitions. Second operand has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 9 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-22 22:50:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:38,986 INFO L93 Difference]: Finished difference Result 824 states and 962 transitions. [2024-11-22 22:50:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 22:50:38,987 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 9 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 110 [2024-11-22 22:50:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:38,989 INFO L225 Difference]: With dead ends: 824 [2024-11-22 22:50:38,989 INFO L226 Difference]: Without dead ends: 602 [2024-11-22 22:50:38,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 199 SyntacticMatches, 11 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=388, Invalid=1504, Unknown=0, NotChecked=0, Total=1892 [2024-11-22 22:50:38,992 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 77 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:38,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 420 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:38,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-22 22:50:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 425. [2024-11-22 22:50:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 345 states have (on average 1.1884057971014492) internal successors, (410), 348 states have internal predecessors, (410), 41 states have call successors, (41), 36 states have call predecessors, (41), 36 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-22 22:50:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 492 transitions. [2024-11-22 22:50:39,019 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 492 transitions. Word has length 110 [2024-11-22 22:50:39,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:39,019 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 492 transitions. [2024-11-22 22:50:39,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 9 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-22 22:50:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 492 transitions. [2024-11-22 22:50:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-22 22:50:39,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:39,021 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:39,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:50:39,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:39,222 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:39,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash -278427608, now seen corresponding path program 1 times [2024-11-22 22:50:39,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:39,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410523630] [2024-11-22 22:50:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:39,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-22 22:50:39,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410523630] [2024-11-22 22:50:39,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410523630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648172011] [2024-11-22 22:50:39,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:39,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:39,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:39,352 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 22:50:39,353 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 22:50:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:39,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:50:39,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 293 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-22 22:50:39,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 93 proven. 1 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2024-11-22 22:50:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648172011] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:39,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:39,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-11-22 22:50:39,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144506802] [2024-11-22 22:50:39,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:39,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:50:39,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:50:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:50:39,719 INFO L87 Difference]: Start difference. First operand 425 states and 492 transitions. Second operand has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:50:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:40,292 INFO L93 Difference]: Finished difference Result 786 states and 912 transitions. [2024-11-22 22:50:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:50:40,292 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 156 [2024-11-22 22:50:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:40,294 INFO L225 Difference]: With dead ends: 786 [2024-11-22 22:50:40,294 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:50:40,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 289 SyntacticMatches, 11 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=248, Invalid=1234, Unknown=0, NotChecked=0, Total=1482 [2024-11-22 22:50:40,296 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 111 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:40,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 388 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:40,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:50:40,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 202. [2024-11-22 22:50:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 161 states have (on average 1.1677018633540373) internal successors, (188), 162 states have internal predecessors, (188), 21 states have call successors, (21), 18 states have call predecessors, (21), 18 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:50:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2024-11-22 22:50:40,313 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 156 [2024-11-22 22:50:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:40,314 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2024-11-22 22:50:40,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 19 states have internal predecessors, (96), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:50:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2024-11-22 22:50:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 22:50:40,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:40,315 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 10, 10, 10, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:40,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:50:40,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:40,520 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:40,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2129702741, now seen corresponding path program 1 times [2024-11-22 22:50:40,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:40,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264868428] [2024-11-22 22:50:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-11-22 22:50:40,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:40,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264868428] [2024-11-22 22:50:40,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264868428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:40,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:40,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:50:40,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012805070] [2024-11-22 22:50:40,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:40,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:40,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:40,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:40,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:40,585 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:50:40,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:40,700 INFO L93 Difference]: Finished difference Result 356 states and 407 transitions. [2024-11-22 22:50:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:40,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 160 [2024-11-22 22:50:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:40,701 INFO L225 Difference]: With dead ends: 356 [2024-11-22 22:50:40,701 INFO L226 Difference]: Without dead ends: 193 [2024-11-22 22:50:40,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 22:50:40,702 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:40,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 143 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:40,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-22 22:50:40,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 181. [2024-11-22 22:50:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 144 states have (on average 1.0902777777777777) internal successors, (157), 145 states have internal predecessors, (157), 19 states have call successors, (19), 16 states have call predecessors, (19), 16 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:50:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 195 transitions. [2024-11-22 22:50:40,713 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 195 transitions. Word has length 160 [2024-11-22 22:50:40,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:40,713 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 195 transitions. [2024-11-22 22:50:40,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:50:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 195 transitions. [2024-11-22 22:50:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 22:50:40,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:40,714 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 4, 4, 4, 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 22:50:40,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 22:50:40,714 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:40,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash -513523735, now seen corresponding path program 2 times [2024-11-22 22:50:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426228524] [2024-11-22 22:50:40,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:40,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:40,736 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:40,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 137 proven. 7 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-22 22:50:40,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426228524] [2024-11-22 22:50:40,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426228524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:40,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322484693] [2024-11-22 22:50:40,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:50:40,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:40,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:40,872 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:40,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:50:40,935 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:50:40,935 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:50:40,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:50:40,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 472 proven. 4 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-22 22:50:41,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 272 proven. 4 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-22 22:50:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322484693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:41,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:41,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 14] total 22 [2024-11-22 22:50:41,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630449353] [2024-11-22 22:50:41,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:41,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:50:41,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:50:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:50:41,290 INFO L87 Difference]: Start difference. First operand 181 states and 195 transitions. Second operand has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 10 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:50:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:41,924 INFO L93 Difference]: Finished difference Result 308 states and 335 transitions. [2024-11-22 22:50:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 22:50:41,926 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 10 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 160 [2024-11-22 22:50:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:41,927 INFO L225 Difference]: With dead ends: 308 [2024-11-22 22:50:41,927 INFO L226 Difference]: Without dead ends: 188 [2024-11-22 22:50:41,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 296 SyntacticMatches, 11 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=373, Invalid=1433, Unknown=0, NotChecked=0, Total=1806 [2024-11-22 22:50:41,928 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 77 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:41,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 451 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:50:41,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-22 22:50:41,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2024-11-22 22:50:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 148 states have (on average 1.0743243243243243) internal successors, (159), 148 states have internal predecessors, (159), 19 states have call successors, (19), 16 states have call predecessors, (19), 16 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:50:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 197 transitions. [2024-11-22 22:50:41,940 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 197 transitions. Word has length 160 [2024-11-22 22:50:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:41,941 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 197 transitions. [2024-11-22 22:50:41,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 10 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:50:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 197 transitions. [2024-11-22 22:50:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 22:50:41,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:41,942 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:41,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:42,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-22 22:50:42,143 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-22 22:50:42,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash 205137487, now seen corresponding path program 1 times [2024-11-22 22:50:42,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:42,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353565427] [2024-11-22 22:50:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-11-22 22:50:42,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:42,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353565427] [2024-11-22 22:50:42,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353565427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:42,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295325177] [2024-11-22 22:50:42,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:42,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:42,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:42,311 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:50:42,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:50:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:42,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:42,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 444 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-22 22:50:42,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:42,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295325177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:42,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:42,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-11-22 22:50:42,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227758963] [2024-11-22 22:50:42,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:42,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:50:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:42,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:50:42,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:50:42,422 INFO L87 Difference]: Start difference. First operand 184 states and 197 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:42,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:42,468 INFO L93 Difference]: Finished difference Result 192 states and 205 transitions. [2024-11-22 22:50:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:50:42,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 182 [2024-11-22 22:50:42,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:42,469 INFO L225 Difference]: With dead ends: 192 [2024-11-22 22:50:42,469 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:50:42,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:50:42,470 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:42,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 157 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:50:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:50:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:50:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:50:42,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2024-11-22 22:50:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:42,471 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:50:42,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:50:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:50:42,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:50:42,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-22 22:50:42,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-22 22:50:42,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-22 22:50:42,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-22 22:50:42,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-22 22:50:42,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-22 22:50:42,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:50:42,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:42,679 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:42,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:50:43,969 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:50:43,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:50:43 BoogieIcfgContainer [2024-11-22 22:50:43,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:50:43,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:50:43,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:50:43,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:50:43,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:22" (3/4) ... [2024-11-22 22:50:43,994 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:50:43,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-22 22:50:43,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-22 22:50:44,000 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-22 22:50:44,000 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-22 22:50:44,000 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:50:44,001 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:50:44,001 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:50:44,079 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:50:44,079 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:50:44,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:50:44,079 INFO L158 Benchmark]: Toolchain (without parser) took 22145.85ms. Allocated memory was 184.5MB in the beginning and 406.8MB in the end (delta: 222.3MB). Free memory was 115.4MB in the beginning and 361.0MB in the end (delta: -245.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 184.5MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.62ms. Allocated memory is still 184.5MB. Free memory was 115.2MB in the beginning and 102.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.85ms. Allocated memory is still 184.5MB. Free memory was 102.6MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: Boogie Preprocessor took 40.35ms. Allocated memory is still 184.5MB. Free memory was 101.0MB in the beginning and 99.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: RCFGBuilder took 388.62ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 148.4MB in the end (delta: -49.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: TraceAbstraction took 21341.63ms. Allocated memory was 184.5MB in the beginning and 406.8MB in the end (delta: 222.3MB). Free memory was 147.5MB in the beginning and 366.3MB in the end (delta: -218.8MB). Peak memory consumption was 245.6MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,080 INFO L158 Benchmark]: Witness Printer took 90.52ms. Allocated memory is still 406.8MB. Free memory was 366.3MB in the beginning and 361.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:50:44,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 184.5MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.62ms. Allocated memory is still 184.5MB. Free memory was 115.2MB in the beginning and 102.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.85ms. Allocated memory is still 184.5MB. Free memory was 102.6MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.35ms. Allocated memory is still 184.5MB. Free memory was 101.0MB in the beginning and 99.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.62ms. Allocated memory is still 184.5MB. Free memory was 99.1MB in the beginning and 148.4MB in the end (delta: -49.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 21341.63ms. Allocated memory was 184.5MB in the beginning and 406.8MB in the end (delta: 222.3MB). Free memory was 147.5MB in the beginning and 366.3MB in the end (delta: -218.8MB). Peak memory consumption was 245.6MB. Max. memory is 16.1GB. * Witness Printer took 90.52ms. Allocated memory is still 406.8MB. Free memory was 366.3MB in the beginning and 361.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 47 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 23, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1817 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1811 mSDsluCounter, 6181 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5212 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4728 IncrementalHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 969 mSDtfsCounter, 4728 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2676 GetRequests, 2028 SyntacticMatches, 58 SemanticMatches, 590 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6501 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=18, InterpolantAutomatonStates: 469, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 874 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3102 NumberOfCodeBlocks, 3102 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 4029 ConstructedInterpolants, 0 QuantifiedInterpolants, 7267 SizeOfPredicates, 106 NumberOfNonLiveVariables, 2941 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 48 InterpolantComputations, 12 PerfectInterpolantSequences, 9344/9911 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((counter <= 5) && (3 <= counter)) || ((6 <= counter) && (counter <= 2147483645))) || (((2 <= counter) && (counter <= 5)) && (x <= y))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((4 <= counter) && (counter <= 2147483646)) || (counter == 0)) || (((counter <= 2147483646) && (x <= y)) && (3 <= counter))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((counter == 3) || (counter == 5)) || (counter == 4)) || ((y != x) && (counter == 1))) || (counter == 2)) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: ((counter == 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:50:44,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE